Gravel
Clause 804
Chips
3/8" Chips. Very small stones
Blocks
A much bigger block with a cavity/hole going through the center.
The bigger thicker blocks up from the 4"
Regular 4" block with a 90 degree offset.
Quarry Products
Drainage stone-small smooth rounded stone
Bags
An empty small bag.
An empty big bag.
Small empty heavy duty sand bag.
Plastering sand
4" clean large stone