gear mechanism and grease can seen the open housing |
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| navigate by keyword : mechanism cogwheel gear gearing gearbox transmission cog gearwheel drive interaction precision technology engineering machine technical machinery system industrial device industry grease lubricate oil mechanical equipment metal tool steel hand drill spare teeth pinion shaft spindle swirl torque inside worn mechanic integrated closeup object detail functionality |
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| Detail of the transmission mechanism from the crank to the chuck of an old hand drill. Worn grease can be seen on the gears of this unit |
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