Drainage stone-small smooth rounded stone
Drainage stone are small smooth rounded stone used for draining water away from places where water is unwanted. It is sold lose by the tonne.
Bags
An empty small bag.
Blocks
The bigger thicker blocks up from the 4"
Chips
3/8" Chips. Very small stones
Regular 4" block with a 90 degree offset.
Gravel
Aggregate mix
A much bigger block with a cavity/hole going through the center.
Screenings-Very dusty gravel
Clause 804