Blocks
Concrete block that weighs one tonne.
Regular 4" block with a 30 degree offset.
Quarry Products
Drainage stone-small smooth rounded stone
Chips
Regular 4" block with a 90 degree offset.
Gravel
Screenings-Very dusty gravel
Clause 804
3/8" Chips. Very small stones
The bigger thicker blocks up from the 4"
4" clean large stone