The resistance wire in an electrical appliance such as a heater or an oven.

如加热器或灶具等电气设备中的阻抗电丝。

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It is OK to leave an electrical appliance on so_long_as you are using it-if not, turn it off!

在使用电器设备时你可以把它一直开着，如果不用把它关掉！

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It is OK to leave an electrical appliance on so long as you are using it-if not, turn it off!

只要你在使用电器设备，你便可以把它开着，如果不用就把它关掉！

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It says that three quarters of those surveyed said they had performed at least one "safety blunder" or misuse of an electrical appliance.

BBC: 'Blunder' fires increasing say Electrical Safety Council

Maybe an electrical appliance is humming, or trees outside are rustling.

CNN: Your detour to a stress-free life

Electrical engineers also know that when an appliance is first turned on, there is a higher current needed at the start as opposed to what is needed when the appliance is already operating.

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