Avoid gestures just lifting tool for long periods of time or have been very strong in compression, tools, a tool that has been designed properly. When using this tool, the worker's elbow would bend u sides, which is to prevent the danger that may occur on the shoulders and sleeves. It also makes the worker does not need to twist their wrist bend or twist the iao.
การแปล กรุณารอสักครู่..
