The use of lead sheet, flashing, solder and pipe in building work.

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.

Circular Saws – the cutting of large sheets of material to size. Jig saws – the cutting of curved or irregular shapes from wood-based materials.

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