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[–]CANDYASSES 0 insightful - 1 fun0 insightful - 0 fun1 insightful - 1 fun -  (0 children)

for sale: 67 tons of concrete. financing available.

[–]carn0ld03 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (0 children)

200 tons of fossilized clam shells can be used to make 67 tons of quicklime, the active component of concrete.