2.3Safety precautions
Warning! Always completely disconnect the power cord from your chassis whenever you are working on it. Do not make connections while the power is on 
because sensitive electronic components can be damaged by the sudden rush of power. Only experienced electronics personnel should open the PC chassis.
Caution! Always ground yourself to remove any static charge before touching the CPU card. Modern
electronic devices are very sensitive to static electric charges. Use a grounding wrist strap at all times. Place all electronic components on a
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