Blocks
Gravel
Screenings-Very dusty gravel
Regular 4" block with a 30 degree offset.
Regular sized blocks used for most building jobs.
Quarry Products
Plastering sand
Regular 4" block with a 90 degree offset.
Bags
An empty small bag.
Chips
4" clean large stone
Concrete block that weighs one tonne.
Clause 804
Aggregate mix