Blocks
Regular 4" block with a 90 degree offset.
A much bigger block with a cavity/hole going through the center.
Quarry Products
Drainage stone-small smooth rounded stone
2" clean medium sized stone
Concrete block that weighs one tonne.
Chips
3/8" Chips. Very small stones
Plastering sand
Gravel
Clause 804
Bags
An empty small bag.
Screenings-Very dusty gravel
Regular 4" block with a 30 degree offset.