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