燃やす
arc furnace
burning
danger
dangerous
equipment
factory
ferroalloy
ferromanganese
ferrous
fire
flame
foundry
furnace
heat
hot
industrial
industry
interior
iron
ladle
light
liquid
man
manganese
manufacture
manufacturing
metal
metallurgical
metallurgy
molten
orange
people
person
plant
pouring
production
refractory
slag
spark
steel
steelmaker
steelworker
steelworks
tank
work
worker
working
workshop