(Traditionally, the 2” X 4 ¼” rectangles used in welding helmets were called “filter plates” and the 50 MM circles used in goggles were called “filter lenses”. But with the advent of auto darkening, both are generally called “filter lenses” today.) Welder Certification
Though reasonably priced, ordinary helmets produce a number of disadvantages. It is usually tough to keep the torch inside the right point to start welding following lowering the helmet in place, especially for newcomers. welding helmets
(Traditionally, the 2” X 4 ¼” rectangles used in welding helmets were called “filter plates” and the 50 MM circles used in goggles were called “filter lenses”. But with the advent of auto darkening, both are generally called “filter lenses” today.) Welder Certification
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Though reasonably priced, ordinary helmets produce a number of disadvantages. It is usually tough to keep the torch inside the right point to start welding following lowering the helmet in place, especially for newcomers. welding helmets
ReplyDelete