How is tarmac made?
Answers:
Tar and aggregate (aggregate being various sized stones). The 'mac' part is the how the stones are laid.
With tar and gravel
small pebbles mixed with molten bitumen
Tarmac' made from gravel and tar was a fairly durable material, but `tarmac' made from granite and blast furnace slag was known to be much stronger
by taramc peeps init
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