Minor groups and their descriptions

Code	Title	Major group	Sub-major group	Unit groups	Occupations
721	Sheet and structural metal workers, moulders and welders, and related workers	Craft and related trades workers	Metal, machinery and related trades workers	5	34
722	Blacksmiths, toolmakers and related trades workers	Craft and related trades workers	Metal, machinery and related trades workers	4	35
723	Machinery mechanics and repairers	Craft and related trades workers	Metal, machinery and related trades workers	4	30