3
background
balloon
chemical
co2
compound
connection
control
cylinder
damaged
danger
emergency
equipment
extinguish
extinguisher
extinguishing
factory
faucet
fire
firefighter
gas
hose
industrial
industry
interior
line
lot
many
measurement
metal
pipe
power
pressure
prevention
protect
protection
red
row
safe
safety
security
service
sign
symbol
system
technology
three
tube
wall
warn
定額
The fire safety regulations require that all industrial buildings must have proper equipment and extinguishing systems installed for fire prevention and protection.の素材 [FY310206941286]
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