英文關鍵字
worker
steelmaking
workshop
liquid
hot
metal
melt
silhouette
protective
mask
look
pour
dark
slow
motion
kazan
tatarstan
construction
power
blast
manufacturing
flame
iron
factory
industry
steel
heat
plant
work
fire
furnace
foundry
technology
industrial
metallurgy
production
heavy
equipment
molten
electric
spark
burn