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