A tonne bag of sand.
A tonne bag of sand made up in store and ready to be collected.
Blocks
Regular 4" block with a 90 degree offset.
The bigger thicker blocks up from the 4"
Gravel
Aggregate mix
Bags
An empty small bag.
A much bigger block with a cavity/hole going through the center.
Concrete block that weighs one tonne.
Small empty heavy duty sand bag.
Clause 804
Quarry Products
Drainage stone-small smooth rounded stone