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Semmy [17]
3 years ago
13

Friction in machines is commonly reduced by using

Biology
2 answers:
avanturin [10]3 years ago
5 0
By  ball bearing, lubrication, polishing, adding grease etc
zzz [600]3 years ago
5 0
Friction is typically reduced by applying an oil or grease to the afflicted joint.
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