Example sentences of "[prep] switch off [art] " in BNC.

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1 One case which may cause problems is where the doctor 's facilitation takes the form of switching off a necessary mechanical aid , such as a ventilator or an artificial kidney machine .
2 Like switching off a machine .
3 We liked its ability to self-diagnose and the scope for switching off the radar if necessary .
4 The fact that the aid is an extraordinary measure and that the patient has indicated that it is a burden absolves the doctor of his duty to continue treatment , and he may therefore discontinue it by switching off the machine .
5 The oil is normally cleaned by switching off the transformer for a week and draining the oil and transporting it to a special depot for decontamination .
6 So great was Paul 's obsession that the only way Mrs Bedworth could force him to take a break was by switching off the electricity supply at the mains , she told Southwark Crown Court .
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