Closeup of a finger tip pressing the button to test the operation of a household carbon monoxide alarm, with red and green lights flashing.
Schlüsselwörter
carbon,
monoxide,
alarm,
finger,
test,
press,
push,
buttons,
light,
flash,
device,
operation,
activate,
co,
detector,
equipment,
lethal,
gas,
protect,
protection,
safe,
safety,
home,
household,
domestic,
closeup,
caucasian
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