This standard informs the reader of reasonable and adequate means, ways and methods for the testing, selection and safe use of transparent welding curtains and screens. These devices are designed to provide outside viewers, at some distance from the welding arc or operation, a safe view of the operation and operator.
ANSI/AWS F2.3M:2011 history
2011ANSI/AWS F2.3M:2011 Specification for Use and Performance of Transparent Welding Curtains and Screens (2nd Edition)