Key terms

Welding safety: key terms

Plain-English definitions of the words used in the course. In the lessons, tap any underlined term to read its definition without leaving the page.

7 terms, United Kingdom version

Arc eye
A painful burn to the surface of the eye caused by UV light from welding.
Fire watch
A person watching for fire during and after hot work.
Flashback arrestor
A safety device that stops a flame travelling back into an oxy-fuel hose and cylinder.
Hot work permit
A written permit setting out fire precautions for welding, cutting or grinding.
LEV
Extraction that captures fume at or near its source.
PAPR
Respiratory protection that blows filtered air into a helmet or hood.
Welding fume
A mixture of fine metal particles and gases produced when welding.

These terms come from the United Kingdom version of the course. See what the course covers.