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NO!This type of screw should never be used!“says Thomas R.Conlon to a worker.Strict and zealous,this American professor(Chinese name Kang Deming) is in China to help bring windmill tech- nology to rural residents.”Though this kind of screw won’t harm the machine,
This type of screw should never be used! “Says Thomas R.Conlon to a worker. Strict and zealous, this American professor (Chinese name Kang Deming) is in China to help bring windmill tech- nology to rural residents. ”Though this kind of screw will not harm the machine,