Welding metal parts using gas flame, or an electric arc, thermite compound or other methods;

Operating resistance-welding machines; using a blowtorch to make and repair lead linings, pipes, floors and other lead fixtures;

Brazing metal parts together;

Cutting metal pieces using gas flame or an electric arc;

Joining metal parts by hand soldering; and

Carrying out inspection, servicing and maintenance (based on field or specialisation); and

Performing related tasks.