An optical smoke alarm or detector in close up-9992
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Created By sciencephotos in Category 
Image Description:
An optical smoke alarm or detector in close up viewed from above which uses a light scatter principle to detect smoke particles in the air
Keywords:
alarm, close up, optical, smoke, detector, air, light, particle, scatter, household, insurance, safety, fire, photoelectric, pulse License:
this image by sciencephotos / stockarch.com is licensed under a Creative Commons Attribution 3.0 Unported License. or accept license and edit with pixlr
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