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