The cutting of metals by means of a plasma arc that produces a high-temperature stream of ionised gas capable of cutting metal. Hand-held torches usually use compressed air as the gas but mixtures of argon and either hydrogen or nitrogen may occasionally be used.

This document gives guidance to teachers and technicians that will be supervising a welding or plasma cutting facility.

Guidance on controlling the fumes from these operations can be found in GL326

This is an index of the MRAT titles.

It is updated when changes are made, or MRATs added.

Changes are marked on the index.

This, short, special edition has been put together to explain why the Live event failed to take place and to ask readers to take part in a short survey to help us to develop future events.

There are also articles about end of term arrangements and some H&S updates.