Whenever you need to change a blade or bit on a power tool, always disconnect the electricity to the power tool before even beginning the blade change.
你要更换刀具或给电动工具换位之前，都要切断电源。
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By contrast, IPv6 USES 128-bit web addresses, creating billions of possible new web addresses - experts estimate it could assign a unique address for every blade of grass on the planet.
Based on the inspection and analysis to the imported wear resisting components, the cutting blade and end bit of model D9L bulldozer were made using air cooled cast steel.