Clause 804
Clause 804(less dust than screenings) has a whole range of versatile uses. It is sold lose by the tonne.
Bags
An empty big bag.
Blocks
A much bigger block with a cavity/hole going through the center.
Regular 4" block with a 90 degree offset.
Chips
An empty small bag.
Gravel
Screenings-Very dusty gravel
The bigger thicker blocks up from the 4"
3/8" Chips. Very small stones