This short guide describes the safe use of portable power supplies in D&T. 

This applies to the cutting of textile sheet materials using an electrically powered rotary cutter.

Using a powered mixer to mix mortar or concrete for use.

The cutting to required length of workpieces from stock bars or rods of both ferrous and non-ferrous material using a power saw. Power sawing can be done by reciprocating power hacksaws, by metal cutting band saws and by special chop saws designed for cutting metal.