In low external temperatures, the battery is quickly brought up to operating temperature with the aid of an electric heating element.

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For example, the Controller respond to a frequency disturbance by turning off the heating element of a drying machine, but keep the tumbler turning.

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Among the other options 4moms is considering is a sound system, and perhaps a heating element to keep baby toasty on even the most frigid days.

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And last spring, the company redesigned the oven, replacing the traditional light bulb used for baking with an electric heating element, then switching the oven's door from the side to the front.

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"Our vision is that one of these plants would be the core element of a community energy center" that could provide a local, sustainable source of both transportation and heating fuel.

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