This guide takes the reader through the hazards of using powered equipment that could cause HAVS. 

Production of a high-quality surface finish using polishing compounds and a power-driven mop. Final finishing by hand using liquid polish and cloth.

The drilling of holes in workpieces too large to bring to fixed machines.Most portable power tools are electrically operated but pneumatic tools are used where compressed air is available. The use of tools with integral low-voltage battery packs is increasing

The cutting of sheet metal using power-operated shears, nibblers or notchers, either mains- or battery-driven. Hand-held nibblers may consist of an accessory fitted to a portable drill.