A tonne bag of sand.
A tonne bag of sand made up in store and ready to be collected.
Blocks
A much bigger block with a cavity/hole going through the center.
Chips
Quarry Products
Drainage stone-small smooth rounded stone
Bags
An empty small bag.
3/8" Chips. Very small stones
Regular 4" block with a 30 degree offset.
Plastering sand
Regular sized blocks used for most building jobs.
Gravel
Aggregate mix