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vacri
on Nov 22, 2013
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Bill Gates funds creation of graphene condoms
A locksmith tried to fix our sticking front door lock with a bit of graphite spray, which I hadn't seen before.
emhart
on Nov 22, 2013
[–]
Scribble a pencil on a piece of paper for a while, fold it in half, blow the dust into the lock and run the key in and out a few times. Works like a charm.
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