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THE MACHINEBLUE BOOKResearch · Market · Ownership
Bronto Explains · 10 short series · 35 films

Bronto Explains: Useful Questions. Proper Answers.

Short, plain-English answers to the questions people actually ask about machines and machine shops: what setup is, why parts cost what they cost, what spec terms mean, what to ask before you buy, and what happens after the sale.

Bronto Explains: Useful Questions. Proper Answers.. Bronto, a green dinosaur in a navy suit, with The Machine Blue Book

Ask Bronto

Ask Bronto · 0:22 · English captions on screen

Ask the Bloody Question

Got a machinery question everyone else seems to understand?

Read the narration

Got a machinery question everyone else seems to understand?

Ask me. You are not required to arrive knowing the answer. That rather defeats the point.

Leave your question below. We'll pick questions for upcoming episodes. If it needs a specialist, we'll look for the right person.

Ask Bronto. Less guessing. More understanding.

Ask Bronto · 0:23 · English captions on screen

The Neck Has Limits

Machines. Materials. How things get made. What has nobody properly explained?

Read the narration

Machines. Materials. How things get made. What has nobody properly explained?

Put your question in the comments. We'll choose questions to research and explain.

If I don't know, I won't put on a confident voice and make it up. I already have the confident voice.

We will look for someone who knows. Ask Bronto, from Machine Blue Book.

Bronto's First Day

Bronto's First Day · 1 · 0:42 · English captions on screen

What Actually Happens During Setup?

The machine is on. Why aren't we making parts? Because switching it on and setting up a job are different achievements.

Read the narration

The machine is on. Why aren't we making parts? Because switching it on and setting up a job are different achievements.

Setup connects the plan to the real material, tools and workholding. The exact steps depend on the machine and job.

The control also needs the right references for the tools and workpiece. A drawing does not tell the machine where you put the metal.

Appropriate checks belong before production is treated as ready. This is an introduction, not an operating procedure.

You are allowed to ask what setup means. Pretending you already know is the expensive option. Explore the basics at Machine Blue Book.

Bronto's First Day · 2 · 0:47 · English captions on screen

Who Does What in a Machine Shop?

Operator. Machinist. Programmer. Manufacturing engineer. Are these simply different names for the person nearest the coffee? Not quite.

Read the narration

Operator. Machinist. Programmer. Manufacturing engineer. Are these simply different names for the person nearest the coffee? Not quite.

Programming turns the manufacturing plan into suitable machine instructions. It is one piece of the work.

Preparing the job and running the equipment connect those instructions to real tools and material. Responsibilities vary between shops.

Inspection checks whether the result meets the requirements. One person may cover several responsibilities, especially in a smaller operation.

Job titles are a starting point, not a universal map. Ask what the person actually does. More plain-English manufacturing at Machine Blue Book.

Bronto's First Day · 3 · 0:48 · English captions on screen

What Is a Tolerance?

Make it exactly this size. Lovely request. Real manufacturing needs an agreed definition of acceptable variation.

Read the narration

Make it exactly this size. Lovely request. Real manufacturing needs an agreed definition of acceptable variation.

A dimensional tolerance describes the permitted variation for a specified dimension. The drawing and applicable requirements provide the actual limits.

A part can look right and still fall outside those limits. Suitable measurement helps establish whether it meets them.

A stricter limit is not automatically better for every feature. Requirements should follow the job, not someone's enthusiasm for extra decimal places.

Bronto prefers precision to guesswork. Start by understanding what the part must do, then explore manufacturing at Machine Blue Book.

Bronto's First Day · 4 · 0:38 · English captions on screen

Why Does a CNC Machine Change Tools?

It was cutting. Now it has stopped to fetch another tool. Has it become indecisive? Usually, no.

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It was cutting. Now it has stopped to fetch another tool. Has it become indecisive? Usually, no.

A hole, a pocket and a finished surface may call for different cutting tools. One cutter is not an entire machine shop.

On an appropriately equipped machine, the program can call an automatic tool change as part of the planned sequence.

The correct tool, holder and associated settings still matter. Automatic does not mean someone can stop thinking.

Think of a planned change of instrument, not a tea break. Follow the machine basics at Machine Blue Book.

Why the Hell Does That Cost So Much?

Why the Hell Does That Cost So Much? · 1 · 0:46 · English captions on screen

One Part Versus One Thousand

Why does one part cost more per piece than a thousand? Because the first part may arrive carrying a considerable amount of preparation.

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Why does one part cost more per piece than a thousand? Because the first part may arrive carrying a considerable amount of preparation.

Planning, programming and setup can support a whole run. Spreading that work across more units can change its cost per part.

Material, production time and checking do not simply disappear. Larger quantities can also need a different production plan.

Ask what quantity, revision and requirements the quote assumes. A unit price without its conditions is missing the useful bit.

This is an explanation, not a universal price rule. Bring the actual job to the discussion. Machine Blue Book helps you ask better questions.

Why the Hell Does That Cost So Much? · 2 · 0:41 · English captions on screen

Why Can a Tiny Part Have a Large Bill?

It is tiny. Why is the invoice not tiny? An excellent question, provided we look beyond the amount of metal.

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It is tiny. Why is the invoice not tiny? An excellent question, provided we look beyond the amount of metal.

Small features, difficult access or a demanding setup can make a small component awkward to manufacture.

The required dimensions, finish and checks matter too. A small part is not automatically a simple part.

Ask which features and requirements drive the work. We are buying a suitable result, not metal by the spoonful.

No mystery surcharge required. Just understand the job before comparing the numbers. Explore the manufacturing questions at Machine Blue Book.

Why the Hell Does That Cost So Much? · 3 · 0:45 · English captions on screen

Why Does Tighter Accuracy Change the Quote?

Just make it a bit more accurate. Such a small sentence. Potentially quite a different manufacturing conversation.

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Just make it a bit more accurate. Such a small sentence. Potentially quite a different manufacturing conversation.

A tighter requirement can change the tools, process or number of operations needed. It depends on the feature and the job.

The result may also need a different checking method. Writing a limit and demonstrating that it was met are separate tasks.

Ask the responsible designer what the function actually requires. Do not relax an essential limit or add one purely for decoration.

Compare quotes against the same requirements. Otherwise the numbers may describe different jobs. Machine Blue Book: understand what you are asking for.

Why the Hell Does That Cost So Much? · 4 · 0:40 · English captions on screen

What Happens Before Cutting Starts?

The cutter has not touched the material. Has anyone done any work? Yes. Quite possibly the work preventing a very expensive surprise.

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The cutter has not touched the material. Has anyone done any work? Yes. Quite possibly the work preventing a very expensive surprise.

Before cutting, people can be reviewing the drawing, choosing a process and preparing suitable instructions.

Tools, workholding and the material also need a plan. The precise preparation depends on the job and available equipment.

Ask what is included rather than assuming the whole invoice should match the stopwatch beside the spindle.

You priced the metal. Splendid. Now consider the work needed to turn it into the right part. More at Machine Blue Book.

That's Not What That Means

That's Not What That Means · 1 · 0:31 · English captions on screen

Spindle Speed Is Not Part Output

A very fast spindle. Splendid. How many finished parts does that guarantee? By itself, none.

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A very fast spindle. Splendid. How many finished parts does that guarantee? By itself, none.

Spindle speed describes rotation. Production output also depends on the operation, tools, material, handling and checking.

Ask what a suitable process produces on your actual job. An impressive rotation number is not a delivery schedule.

More useful machinery questions, fewer decorative numbers. Machine Blue Book.

That's Not What That Means · 2 · 0:31 · English captions on screen

Machine Accuracy Is Not the Whole Part

The machine has an accuracy specification. Does that prove every part leaving it is correct? No.

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The machine has an accuracy specification. Does that prove every part leaving it is correct? No.

The tool, workholding, material and process still contribute to the result. A machine specification is not inspection of a finished part.

Confirm what the specification measures, under what conditions, and how the actual part will be checked.

The badge does not sign the inspection report. Explore the questions at Machine Blue Book.

That's Not What That Means · 3 · 0:31 · English captions on screen

Cycle Time Is Not Delivery Time

A two-minute cycle. Lovely. Why are my parts not arriving in two minutes? Because the phrase needs a definition.

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A two-minute cycle. Lovely. Why are my parts not arriving in two minutes? Because the phrase needs a definition.

A quoted cycle might cover a machine operation, not the queue, setup, inspection, packing and transport around your order.

Ask exactly where the timing starts and stops. Two suppliers can use the same phrase for different portions of the work.

A stopwatch is useful. So is reading the label on the stopwatch. Machine Blue Book.

That's Not What That Means · 4 · 0:33 · English captions on screen

Automation Ready for What?

Automation ready. An encouraging phrase. Ready to do what, with which equipment, and who is making it all work together?

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Automation ready. An encouraging phrase. Ready to do what, with which equipment, and who is making it all work together?

Ask which interfaces and functions are included, which options are needed, and what the proposed system must actually perform.

Confirm responsibility for integration, checking, training and support. Ready is not a detailed scope of work.

Bronto appreciates an adjective. He prefers an answer. Bring better questions with Machine Blue Book.

Before You Buy That Bloody Thing

Before You Buy That Bloody Thing · 1 · 0:43 · English captions on screen

Tell the Seller About the Part

I need a CNC. Splendid. To make what? We have reached the useful part of the conversation.

Read the narration

I need a CNC. Splendid. To make what? We have reached the useful part of the conversation.

Share the material, part size, important requirements and expected quantity. Protect confidential information through an appropriate agreed process.

Distinguish what the job requires from what would merely be convenient. The biggest specification is not automatically the best match.

Ask the supplier to explain the proposed fit and what still needs proving. A confident recommendation should survive specific questions.

Start with the work, then research the equipment. Machine Blue Book helps connect the questions.

Before You Buy That Bloody Thing · 2 · 0:41 · English captions on screen

The Demo Worked. Will Your Job?

That demonstration was magnificent. Unfortunately, your purchase is not an admission ticket to their demonstration.

Read the narration

That demonstration was magnificent. Unfortunately, your purchase is not an admission ticket to their demonstration.

Discuss your material, features and production needs. A different part can present a different manufacturing problem.

Agree what evidence would show the proposed machine and process meet the actual requirements, with qualified people involved.

Ask about changeovers, checking and support as well as the cutting performance. The brochure rarely volunteers for the difficult shift.

Research beyond the impressive moment. Explore the buying questions at Machine Blue Book.

Before You Buy That Bloody Thing · 3 · 0:42 · English captions on screen

What Belongs in a Machine Inquiry?

Looking for something good and reasonably priced. A touching sentiment. Not yet a usable machine requirement.

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Looking for something good and reasonably priced. A touching sentiment. Not yet a usable machine requirement.

Describe the work, the important capabilities, location and realistic timing. Include an equipment reference if you have one.

Say which details are confirmed and which need help. You do not have to pretend you know the answer before asking.

Do not post confidential drawings or sensitive business information in a public comment. Use an appropriate private process when needed.

A clear inquiry makes it easier to discuss a suitable next step. Organize your research with Machine Blue Book.

Before You Buy That Bloody Thing · 4 · 0:44 · English captions on screen

What Does Excellent Condition Actually Mean?

Excellent condition. Excellent. According to what evidence, on which actual machine, and checked by whom?

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Excellent condition. Excellent. According to what evidence, on which actual machine, and checked by whom?

Ask for identification, relevant records and current information that supports the description. Missing information should remain visible.

Consider a suitable independent inspection of the exact unit. A photograph and a model page cannot establish its present condition.

Some details may be unknown. That is a reason to investigate, not an invitation to fill the gap with confidence.

Machine Blue Book supports research. It does not certify that particular machine. Understand the evidence before the decision.

Bronto's Case Files

Bronto's Case Files · 1 · 0:44 · English captions on screen

The Case of the Missing Serial Number

A fictional buyer asks which exact machine is being offered. The reply supplies enthusiasm. The serial number remains on holiday.

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A fictional buyer asks which exact machine is being offered. The reply supplies enthusiasm. The serial number remains on holiday.

Some information may require a sensible private exchange. Ask how the unit's identity and documentation can be established.

A brochure for the model is not proof of the actual machine being sold. The unit's identity and installed options still matter.

Unanswered does not automatically mean dishonest. It means unanswered. Do not quietly promote that into verified.

Bronto's Case Files. Fictional examples, useful questions. Explore the buying guide at Machine Blue Book.

Bronto's Case Files · 2 · 0:42 · English captions on screen

The Photo That Answered the Wrong Question

Here is a fictional listing with a beautiful machine photo. The buyer asks whether it shows the unit for sale. Suddenly, the conversation becomes abstract.

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Here is a fictional listing with a beautiful machine photo. The buyer asks whether it shows the unit for sale. Suddenly, the conversation becomes abstract.

An image can be illustrative, historic or current. Ask which it is and what it can actually establish.

A manufacturer's picture can explain a model. It cannot show the present wear and configuration of every used example.

Do not declare fraud because a question needs answering. Request clearer evidence and record what is still unknown.

Bronto likes a good photograph. He also likes knowing what he is looking at. Machine Blue Book.

Bronto's Case Files · 3 · 0:41 · English captions on screen

The Spec Sheet from the Future

A fictional older machine receives a specification sheet from the current range. Remarkable. It appears to have upgraded itself while nobody was watching.

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A fictional older machine receives a specification sheet from the current range. Remarkable. It appears to have upgraded itself while nobody was watching.

A familiar model name does not establish that every generation has the same specification or equipment.

Ask for documentation that matches the actual unit, including its control, options and relevant generation.

A mismatch might be a mistake. Resolve it rather than building the purchase decision on whichever number looks nicest.

Bronto's Case Files. Check the unit behind the name. Research with Machine Blue Book.

Bronto's Case Files · 4 · 0:39 · English captions on screen

The Quote with the Empty Box

Our fictional quote has a machine price and a magnificent empty space where removal and loading should be explained.

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Our fictional quote has a machine price and a magnificent empty space where removal and loading should be explained.

A blank box is not a written promise that somebody else is paying. Ask what is included and who is responsible.

Clarify the scope before transport is booked or a deadline makes the missing answer expensive.

Compare the actual written scope, not just the headline figure. Seek appropriate professional review when the agreement needs it.

The box can remain empty. Your understanding should not. Explore ownership questions at Machine Blue Book.

Who Actually Does That?

Who Actually Does That? · 1 · 0:41 · English captions on screen

Who Writes the Machine Program?

Who tells the machine what to do? Not the person shouting faster from the doorway, despite their considerable confidence.

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Who tells the machine what to do? Not the person shouting faster from the doorway, despite their considerable confidence.

A CNC programmer prepares suitable instructions for the machine and job, often using manufacturing software.

That work connects the design to tools, operations and the actual equipment. Other people may share or check parts of the process.

In some shops, one machinist also programs and sets up the job. Titles and boundaries are not identical everywhere.

The instructions need thought behind them. Explore the people and processes at Machine Blue Book.

Who Actually Does That? · 2 · 0:40 · English captions on screen

Who Decides How to Hold the Part?

A tool is about to cut the material. Who stops the material from taking an unscheduled tour of the enclosure?

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A tool is about to cut the material. Who stops the material from taking an unscheduled tour of the enclosure?

Workholding is the plan for locating and securing the workpiece. The choice depends on the part, process and requirements.

A machinist, manufacturing engineer, fixture designer or a combination of people may help develop the setup.

A beautiful program cannot compensate for a physical setup nobody properly considered. The fixture is part of the job.

Meet the thinking behind the hardware. More manufacturing explanations at Machine Blue Book.

Who Actually Does That? · 3 · 0:38 · English captions on screen

Who Checks Whether the Part Is Right?

Who checks the finished part? Ideally, not just the person saying it looks lovely from across the room.

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Who checks the finished part? Ideally, not just the person saying it looks lovely from across the room.

Inspection compares relevant features with the requirements, using methods suited to the job.

The checking plan may call for measurements and records. The actual product and quality requirements determine what is needed.

An operator, machinist or quality specialist may be involved. The division of responsibility varies.

Making the shape and showing that it meets the requirement are different jobs to think about. Explore both at Machine Blue Book.

Who Actually Does That? · 4 · 0:40 · English captions on screen

Who Gets the Machine from Truck to Floor?

The truck has arrived. Who gets several tons of machine from there to the intended position? Someone qualified, not whoever owns the most enthusiasm.

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The truck has arrived. Who gets several tons of machine from there to the intended position? Someone qualified, not whoever owns the most enthusiasm.

Access, dimensions, weight and the route through the building need attention before the day of the move.

A machinery mover, carrier, site team and other specialists may need to coordinate their responsibilities.

This is not a lifting tutorial. Use suitable qualified professionals and the machine's actual documentation.

The machine-shop story includes the people getting it there. Start with the ownership map at Machine Blue Book.

Could Your Shop Make This?

Could Your Shop Make This? · 1 · 0:41 · English captions on screen

Could You Make This Guitar Body?

A guitar-body shape. How would you make it? No points for saying very carefully, although I appreciate the ambition.

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A guitar-body shape. How would you make it? No points for saying very carefully, although I appreciate the ambition.

Think about the material, shape and quantity before choosing a process. Pause and give us your suggestion.

For a suitable wood example, a CNC router can shape features from stock. That is one possible route, not a claim about a particular guitar brand.

Preparation and finishing remain important parts of the work. A toolpath does not automatically write a hit record.

What object should Bronto investigate next? Explore manufacturing at Machine Blue Book.

Could Your Shop Make This? · 2 · 0:40 · English captions on screen

Could You Make This Pocketed Housing?

A small housing with a pocket and several holes. Which process would you choose? Let us have something more useful than the expensive machine.

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A small housing with a pocket and several holes. Which process would you choose? Let us have something more useful than the expensive machine.

The material, quantity, geometry and required performance affect the answer. Pause and make your case.

For a suitable example, CNC milling could remove material from stock to produce the features.

A different job might justify another route or a combination of processes. There is no universal winner based on this sketch alone.

Tell Bronto why your route makes sense. Then explore the processes at Machine Blue Book.

Could Your Shop Make This? · 3 · 0:41 · English captions on screen

Could You Make This Stepped Shaft?

A stepped shaft. Several diameters, one basic axis. Which machine category comes to mind?

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A stepped shaft. Several diameters, one basic axis. Which machine category comes to mind?

Before answering, ask about material, quantity and the features that matter. A sketch is not a complete manufacturing order.

For this simple rotational shape, turning is one plausible route: the workpiece rotates while a tool removes material.

Other features and requirements can add operations and checking. Goes round is the beginning of the explanation, not the end.

What part should Bronto put on the board next? More plain-English process research at Machine Blue Book.

Could Your Shop Make This? · 4 · 0:43 · English captions on screen

Who Made the Tool That Made the Product?

A plastic product. Did somebody machine every finished example? Perhaps not. We may need to investigate the thing that made the thing.

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A plastic product. Did somebody machine every finished example? Perhaps not. We may need to investigate the thing that made the thing.

Quantity and requirements help determine a suitable process. A prototype and a production run need not follow the same route.

For a molded product, machining can contribute to making the production mold. That is different from machining each finished object.

One manufacturing method can support another. The product does not arrive carrying a helpful explanation of all its ancestors.

Which everyday object should we follow backwards? Explore the manufacturing story at Machine Blue Book.

It Doesn't End at the Sale

It Doesn't End at the Sale · 1 · 0:40 · English captions on screen

The Old Machine Has to Leave First

The new machine arrives Monday. The old one is still sitting where Monday intends to happen. A minor scheduling detail with considerable mass.

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The new machine arrives Monday. The old one is still sitting where Monday intends to happen. A minor scheduling detail with considerable mass.

Plan the removal and replacement sequence, the access needed and the effect on the rest of the site.

Qualified people may need to coordinate disconnection, removal, movement and readiness for installation. Agree who owns each part.

This is a planning question, not instructions for disconnecting equipment. Resolve it before the transport booking becomes the project manager.

Map the whole journey with Machine Blue Book, not just the purchase.

It Doesn't End at the Sale · 2 · 0:40 · English captions on screen

Who Needs to Talk Before the Truck Arrives?

Seller says ready. Carrier says ready. Building says absolutely nobody asked me. A promising start to delivery day.

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Seller says ready. Carrier says ready. Building says absolutely nobody asked me. A promising start to delivery day.

Share the machine's actual dimensions, weight and relevant requirements with the people planning the move and installation.

Confirm responsibility for loading, transport, unloading, positioning and the site work needed around them.

Dates and assumptions need agreement. Five people saying should be fine is not the same as a coordinated plan.

Use qualified providers for the actual work. Organize the questions through Machine Blue Book's ownership map.

It Doesn't End at the Sale · 3 · 0:39 · English captions on screen

Selling a Machine: Help the Next Owner

Selling a machine? The next owner will require more than a photograph and your description of it as a lovely old beast.

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Selling a machine? The next owner will require more than a photograph and your description of it as a lovely old beast.

Organize its identity, configuration, included equipment and the records you can legitimately share.

Clarify location, access and who is responsible for the agreed collection and removal arrangements.

Say what is confirmed and what is not. Do not invent a service history because the blank space looks untidy.

Useful information helps the next conversation. Explore the selling and ownership questions at Machine Blue Book.

It Doesn't End at the Sale · 4 · 0:45 · English captions on screen

Reuse, Parts or Recycling?

The machine is leaving your production floor. Does that mean resale, parts recovery or recycling? We should probably ask before assuming.

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The machine is leaving your production floor. Does that mean resale, parts recovery or recycling? We should probably ask before assuming.

Condition, completeness, demand and the practical work of removal can affect which routes are worth investigating.

Appropriate specialists can help assess the equipment and the actual handling requirements. This is not a disposal or dismantling tutorial.

Compare the scope and responsibilities, not just a headline offer. The next destination does not remove the need for a proper handoff.

Machine Blue Book follows the ownership questions beyond the sale. What part of that journey should Bronto explain next?

Ask Someone Who Actually Knows

Ask Someone Who Actually Knows · 0:32 · English captions on screen

Ask Someone Who Actually Knows: Invitation

I have an excellent neck. Some questions require a different qualification.

Read the narration

I have an excellent neck. Some questions require a different qualification.

We want to bring useful manufacturing questions to people with the relevant experience, and explain the answer clearly.

Have a question, or expertise you would like to contribute? Tell us the subject. Please keep confidential information out of public comments.

Ask someone who actually knows. A proposed contributor series from Machine Blue Book. No mystery experts. No invented interviews.

Independent educational films from The Machine Blue Book, narrated by Bronto (a synthetic voice). Illustrations are generic unless named; named companies are editorial examples, not sponsors. Not operating, installation or buying instructions: verify real equipment and procedures with qualified people. Mild language ("hell", "bloody"). Published by Delta Arc, LLC · Editor: Michael Davis.