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wet sandpaper

Glossary “wet sandpaper” Definition:
Sandpaper that can be used with water for flushing away sanding debris that would otherwise clog the fine grit.

wet compression test

Glossary “wet compression test” Definition:
Test of the engines compression with one tablespoon of 30W oil added to the cylinder to determine if the low compression from the initial compression test is caused by leaking pistion rings, leaking valves, or from a hole in the head gasket or piston.

wet compression testing

Glossary “wet compression testing” Definition:
Testing of the engines compression pressure with one tablespoons of 30W oil added through the spark plug hole to seal the rings and determine if the compression leak is from the rings or the valves. DO NOT perform this test on a diesel engine.

welding rod

Glossary “welding rod” Definition:
Form of welding filler metal, normally packaged in straight lengths, that does not conduct the welding current on the outer surface.

welding filter lens

Glossary “welding filter lens” Definition:
Sometimes called filter plate, it is a shaded glass welding helmet insert for protecting your eyes from ultraviolet burns. The shading value is numbered, the higher the number, the dark the shading.

welding

Glossary “welding” Definition:
Joining process that produces merging of materials by heating them to the welding temperature, with or without the application of pressure or by the application of pressure alone, and with or without the use of filler material.

welding arc

Glossary “welding arc” Definition:
Controlled electrical discharge between the electrode and the work piece that is formed and sustained by the establishment of a gaseous, conductive medium.