Keep your wrists in a vertical line with your elbows, and don't let them drop below the bench pad.
让手腕和肘部保持垂直，高度上不要低于练习垫子。
2
If the incoming and outgoing line ends are copper spacers, the soft bus connects the copper pad with the coupling panel.
开关的进线端和出线端是铜垫块时，铜垫块和联接板之间连接有软母线。
3
The static protecting line connects between the first virtual solder pad and the second virtual solder pad having a charge inducting pad which is exposed at surface of the flexible loader.