Guillotines used for cutting sheet metal. Notchers or nibblers for both metals and plastics. Folding machines used to bend sheet metal. Rolling machines used to roll sheet metal and wires and universal machines which combine cutting, folding and rolling operations.

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

A thermoplastic sheet is clamped around its edges and heated. Some plastics must be pre-heated to dry them.

Thermoplastic sheet heated along a straight line so that it can be folded through a controlled angle.