Smoke detector and fire sprinkler on the ceiling.
Schlüsselwörter
smoke,
detector,
fire,
sprinkler,
office,
spray,
pipe,
extinguishing,
alarm,
alert,
apartment,
building,
carbon,
ceiling,
danger,
domestic,
electronic,
emergency,
equipment,
extinguish,
firefighter,
flames,
glasses,
head,
heat,
home,
house,
household,
interior,
monitoring,
monoxide,
nozzle,
prevention,
protect,
protection,
red,
rescue,
safety,
security,
sensor,
signal,
siren,
system,
technology,
tube,
wall,
white,
warning,
water
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