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.
Chips
Quarry Products
2" clean medium sized stone
Regular sized blocks used for most building jobs.
Concrete block that weighs one tonne.
Bags
An empty small bag.
Gravel
Aggregate mix
Regular 4" block with a 30 degree offset.
A much bigger block with a cavity/hole going through the center.