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...ature that commonly requires a tool to transfer the twisting force. Common tools for driving screws include [[screwdriver]]s, [[wrench]]es, [[coins]] and [[ ...the left-side [[Bicycle pedal#Attachment|pedal of a bicycle]] has a [[left-hand thread]].<ref>{{cite web | url = http://www.sheldonbrown.com/gloss_p.html#p ...