Man checking gas detector device.
Schlüsselwörter
carbon,
gas,
leaking,
meter,
warning,
alarm,
control,
danger,
electronic,
emission,
protection,
safety,
sensor,
technology,
detector,
equipment,
wall,
device,
buttons,
condition,
hazard,
system,
test,
check,
dangerous,
emergency,
explosive,
health,
power,
safe,
security,
siren,
sound,
alert,
appliance,
business,
discovering,
electrical,
energy,
factory,
fire,
flow
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