Blocks
A much bigger block with a cavity/hole going through the center.
Quarry Products
4" clean large stone
Plastering sand
Chips
3/8" Chips. Very small stones
Gravel
Clause 804
Regular 4" block with a 30 degree offset.
Aggregate mix
Bags
An empty small bag.
Screenings-Very dusty gravel
The bigger thicker blocks up from the 4"