Example sentences of "switching off light " in BNC.

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1 There is a common belief that switching off lights increases energy consumption and also reduces the life of fittings .
2 Post-landing checks while taxying required little other than switching off lights and radios .
3 He was running riot , switching off lights and knocking things over .
4 Downstairs , Alain was walking about , switching off lights , locking the door , and for a wild moment she thought he would come back here to her .
5 Insulating your loft , fitting double-glazing , making your doors draughtproof and switching off lights and fires when you do n't need them save energy — and money too .
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