WeldNotes.com

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What is TIG Welding?

  Transcript: What is TIG welding? Tig stands for Tungsten-inert gas welding.  The American welding society calls this process “Gas Tungsten Arc Welding” or GTAW.   You might also hear it called “heliarc welding.” Tig...

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What is MIG Welding?

Transcript: What is MIG welding? Mig stands for Metal inert gas welding.  The American welding society calls this process “Gas Metal Arc Welding” or GMAW.   You might also hear it called “wire welding.” In...

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How to Convert Fractions to Decimals

Hi I’m Bob Welds and this is how to convert a fraction to a decimal using a calculator. A lot of people don’t like fractions because they are not sure how to use them...

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How to Read a Metric Vernier Caliper

Reading a vernier caliper is tricky.  In this video Bob and Sparky go over how to read a metric vernier.  If you need more practice reading metric vernier calipers, see our practice sheets.

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Isometric Graph Paper

Isometric graph paper is a great way to practice doing isometric drawings.  You can develop a skill that will help you communicate on whiteboards or sketches by doing isometric drawings.  This packet of isometric...

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Metric Vernier Caliper Practice Sheets

Reading a vernier micrometer takes practice.  We put together some practice pages with and without answers.  There are two versions, a shaded one that is more realistic, and a non-shaded one that is easier...

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How to Read an Architect’s Scale

Architect’s scales are used on scale drawings.   In the video, Bob and Sparky break down the basics of using an architect’s scale.   Here is the video transcript:   The type of architect’s scale...

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What is Pi?

Engineers use pi all the time for their calculations, but what the heck is pi anyway?  Bob and Sparky break it down for us in this video. Here is the video transcript: Let’s talk...