Unit groups and their descriptions

Code	Title	Major group	Sub-major group	Group	Occupations
9311	Mining and quarrying labourers	Elementary occupations	Labourers in mining, construction, manufacturing and transport	Mining and construction labourers	2
9312	Civil engineering labourers	Elementary occupations	Labourers in mining, construction, manufacturing and transport	Mining and construction labourers	7
9313	Building construction labourers	Elementary occupations	Labourers in mining, construction, manufacturing and transport	Mining and construction labourers	2