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.

Used to remove small amounts of waste material and for cleaning up of welded joints. Normally an impregnated cutting or abrasive disc is used, rather than a conventional grinding wheel.

Drilling holes in resistant materials. 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.