29 December 2012, 07:19 AM
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#140
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"TRF" Member
Join Date: Jul 2011
Real Name: Serg
Location: US of A
Watch: AP
Posts: 7,427
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Quote:
Originally Posted by withthesword
i wouldn't call a seat belt 'soft metal.'
remember that it needs to withstand the impact of a vehicle experiencing a rapid negative acceleration, like 100 kph to 0 kph in two tenths of a second. a soft metal would just shear apart, but i think a seat belt would probably survive it relatively unscathed. human probably not.
anyways, long story short, i can believe a seat belt could scratch sapphire.
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