燃やす
arc
background
bright
cast
casting
electric
equipment
factory
fiery
fire
flame
flow
foundry
furnace
glow
glowing
heat
heavy
hot
industrial
industry
iron
ironwork
ladle
light
liquid
manufacture
manufacturing
melting
metal
metallic
metallurgical
metallurgy
mill
mold
molten
orange
plant
pour
pouring
power
production
red
smoke
spark
steel
technology
work
workshop