two white smoke detector and fire sprinkler light ceiling vertical orientation alarm |
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| navigate by keyword : alarm alert alertness background building built ceiling control danger detector device domestic electronic emergency equipment extinguishing fire flame heat help home hotel house indoors insurance interior light object office physical prevent prevention protect protection rescue residential safety security sensor service sign signal smoke spray sprinkler structure system technology warning white |
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| Two white smoke detector and fire sprinkler on a light ceiling. Fire alarm. Vertical orientation. High quality photo. |
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