Blocks
Regular 4" block with a 30 degree offset.
Quarry Products
Drainage stone-small smooth rounded stone
Gravel
Clause 804
Regular sized blocks used for most building jobs.
Bags
An empty big bag.
A much bigger block with a cavity/hole going through the center.
Regular 4" block with a 90 degree offset.
Aggregate mix
Small empty heavy duty sand bag.
Concrete block that weighs one tonne.