すげぇ接着剤がありました！薄物、難形状は簡単になります。
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Taps are made by cutting.
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High precision created by scraping. Mother machine factory tour.
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I made a (3+3+3+3)+3 axis tourbillon
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Make a CNC plasma cutting machine cheaply!
27:28
The Professional Mechanic Repaired The Broken Hook Pin of The Tractor Trolley By Standard Method
26:02
＜ENG-sub＞ Lock-up Torque Converter_ How it works
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Secret Workholding Process Revealed to Hold Impossible Part
20:28