Clause 804
Clause 804(less dust than screenings) has a whole range of versatile uses. It is sold lose by the tonne.
Quarry Products
Drainage stone-small smooth rounded stone
Blocks
Regular 4" block with a 30 degree offset.
Gravel
Screenings-Very dusty gravel
A tonne bag of sand.
2" clean medium sized stone
Regular 4" block with a 90 degree offset.
A much bigger block with a cavity/hole going through the center.
Regular sized blocks used for most building jobs.
The bigger thicker blocks up from the 4"