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    Current Comic    
The Old Welder Comics shop tips safety and shop stories by Frank Tabor
Spark Test Chart, 'Cast Iron, Steel, Fingers!' over grinder and Use your Goggles sign.
More than one safety pointer, and a laugh.



Spark testing is a simple method of roughly identifying steels. Sparks from a grinding wheel have various characetistics such as long or short sparks, branching or bursts. While not definitive the test can seperate basic iron and steel types.
Sample Spark Test Chart
Sample Spark Test Chart from Metals for Engineering Craftsmen
Basic Grinder Safety


Comic of the day! Don't miss it!

New man at Tool Crib in factory picking up helmet, with green horns.

This is standard issue PPE for all new employees.



In blacksmithing we call greenhorns "newbies".

PPE = "Personal Protective Equipment"


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