This MRAT includes the guidance for using a Heat Gun, or Hot Air Gun, to heat materials.

This MRAT identifies the controls that should be in place when using an electric spot welder.

Plastic materials are heated to such a temperature that they will flow and are then forced under pressure into a metal mould or through a die.

Hot-melt adhesives are supplied as sticks of copolymers of ethene and vinyl acetate. Heat is used to melt the adhesive in the ‘glue gun’ so that drops can be applied to the materials to be joined. Bonding results when the glue solidifies on cooling. Many different types of gun are available with electric or butane cartridge heating and supplying glue at different rates.