Simple machine. A lever-arm corkscrew, a combination of two classical simple machines. One is the helical screw that is used to grip the cork in a bot

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Simple machine. A lever-arm corkscrew, a combination of two classical simple machines. One is the helical screw that is used to grip the cork in a bottle, the other is the lever which is used to pull the screw and cork from the bottle.

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Size: 4500px × 4500px
Photo credit: © Science Photo Library / Alamy / Afripics
License: Licensed
Model Released: No

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