automation
background
burning
casting
closeup
control
dangerous
energy
enterprise
environment
equipment
fire
forging
furnace
heat
heating
interior
iron
iron and steel industry
manufacturing industry
material
mechanical
melting
metal
metallurgy
overflow
plant
pollution
processing
product
production
safety
scenes
security
site
sparks
splash
steel
technology
temperature
tilt
waterfall
workers
workshop