- ZA HPRA AD1432-E-E5-E5.2-E5-2-2
- Unidad documental simple
- 1957
Course material for each work task, including lashing-boy, tshisa-boy (hot water), trammer, tally-checker, bar-boy, timber-boy, machine-boy, winch-boy, stone wall-boy, boss-boy arriving at waiting place.