1/2″ Chips, small stones, the next size up from 3/8″ chips. Suitable for driveways also. It is sold lose by the tonne.
Gravel
Aggregate mix
Blocks
A much bigger block with a cavity/hole going through the center.
Regular 4" block with a 90 degree offset.
Quarry Products
2" clean medium sized stone
Chips
3/8" Chips. Very small stones
Concrete block that weighs one tonne.
Screenings-Very dusty gravel
Bags
An empty big bag.
Clause 804