Blocks
The bigger thicker blocks up from the 4"
Gravel
Clause 804
A much bigger block with a cavity/hole going through the center.
Aggregate mix
Screenings-Very dusty gravel
Quarry Products
Plastering sand
Bags
Small empty heavy duty sand bag.
Regular sized blocks used for most building jobs.
Concrete block that weighs one tonne.
Regular 4" block with a 90 degree offset.