Aggregate mix
Aggregate mixture for rough concrete mix. It is sold lose by the tonne.
Blocks
Regular 4" block with a 30 degree offset.
Quarry Products
A tonne bag of sand.
4" clean large stone
Chips
3/8" Chips. Very small stones
Gravel
Screenings-Very dusty gravel
Bags
An empty big bag.
Regular 4" block with a 90 degree offset.
Clause 804
Concrete block that weighs one tonne.