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"It
doesn't take a genius to figure out that the risk of falling
is greatest on winter ice. It may have been a genius, though,
who devised a simple plastic netting that fits over shoes
to provide traction on ice and snow. At a cost of less than
$20 a pair, it may be one of the cheapest preventatives
going."
Källa:
Newsweek
October 10, 2005
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