도매점

도매점

結果 (繁體中文) 1:

倉庫

結果 (繁體中文) 2:

批發商

結果 (繁體中文) 3:

A. Key Board and MouseImproper use of keyboard and mouse can cause illnessgenerally referred to RSI.Proper typing habit is recommendedto prevent RSI.While keyboarding, it is recommended tokeep wrist straight and inline with the forearms approximatelyparallel to the floor;using a slight touch on the keyboard,rather than pounding on it.Also, keyboard and mouse shouldbe placed close together at about the same height to avoid aInternational Journal of Human and Social Sciences 4:1 2009twisted or reaching posture while using mouse.Furthermore,the hands should be kept moving freely above the key boardwhile typing and both hands should be used while typing keycombinations such as shift, Ctrl or Alt keys rather thancontorting one hand.One hand be used to hit the letter keyand index finger of the opposite hand to hit the shift, Ctrl orAlt key while sitting centered over the part of the keyboardthat one use most and not centered over the number pad if it isnever used.One should avoid constant gripping or squeezingof mouse.