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450 kilograms is about 550,000 times as heavy as a Nail.
In other words, the weight of a Nail is 0.00000180 times that amount.
(for 15-gauge, 2-inch, finishing nails)
A two-inch finishing nail weighs 0.00079 kilograms. Nails have been in use for more than 5,400 years and were ven used as a medium of exchange in ancient times.
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