Bags
An empty small bag.
Quarry Products
Drainage stone-small smooth rounded stone
Gravel
Clause 804
Aggregate mix
Chips
3/8" Chips. Very small stones
Plastering sand
Blocks
A much bigger block with a cavity/hole going through the center.
4" clean large stone
Regular sized blocks used for most building jobs.
An empty big bag.
Concrete block that weighs one tonne.