home smoke and fire alarm detector maintenance man pushing button checking testing replacing battery |
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| navigate by keyword : warn threat testing system smoke siren sensor security school safety replacing replace repairing pushing protection protect prevention precaution office monoxide man maintenance interior insurance installing household house hotel home fumes flames fire extinguisher extinguish escape emergency domestic detector danger checking ceiling carbon button building brigade battery apartment alert alarm |
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| Home smoke and fire alarm detector maintenance man pushing button checking, testing or replacing battery. |
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