英文關鍵字
heavy
hot
gear
foundryman
metallurgy
molten
metalsmith
craftsmanship
hardhat
forges
casting
fly
process
workplace
industry
helmet
artisan
precision
production
industrial
labor
steelworker
manufacturing
foundry
factory
furnace
engineering
steel
gloves
forge
welding
smelting
fire
protective
sparks
technician
maintenance
man
fabrication
ladle
equipment
safety
metal
metalwork
heat
workwear
work
shapes
worker
site
occupation
skilled
protection
machinery
iron