英文關鍵字
sparks
artisan
engineering
training
safety
energy
tempering
gear
kiln
automation
smelting
workplace
quality
furnace
blacksmith
metalworking
melting
process
metal
metalwork
forge
skill
job
efficiency
labor
operation
casting
fire
heat
production
thermal
vocational
workers
manufacturing
molten
teamwork
fabrication
precision
industry
protective
foundry
duty
technology
alloy
factory
work
equipment
steel
foundryman
heavy
manufacture
teammates
industrial
pouring
iron
resistant
craftsmanship
control
machinery
hot
outfit
career
manual