The bigger thicker blocks up from the 4"
Regular 4" block with a 90 degree offset.
Plastering sand
Aggregate mix
A much bigger block with a cavity/hole going through the center.
An empty big bag.
2" clean medium sized stone
Clause 804
Regular 4" block with a 30 degree offset.
3/8" Chips. Very small stones
Concrete block that weighs one tonne.
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