A tonne bag of sand.
A tonne bag of sand made up in store and ready to be collected.
Gravel
Screenings-Very dusty gravel
Aggregate mix
Blocks
Regular 4" block with a 90 degree offset.
Chips
3/8" Chips. Very small stones
Concrete block that weighs one tonne.
Quarry Products
Drainage stone-small smooth rounded stone
Bags
An empty small bag.
Clause 804