Engine_2014 : Engineering Safety - 1102/2355
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| On most makes of inflatable life rafts, the batteries to operate the light on the inside of rafts can be made to last longer by __________ . |
| A) unscrewing the bulb during daylight |
| B) operating the switch for the light |
| C) taking no action as there is no way of preserving power |
| D) taking no action as they shut off automatically in daylight |
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