機器
alloy
annealing
automation
automotive
bend
bending
blacksmith
brake
burning
cast
control
engineer
engineering
equipment
fabrication
factory
fire
flame
folding
forge
forging
forming
foundry
furnace
glow
hard
hardening
heat
heavy
hot
hydraulic
indoors
industrial
industry
ingot
iron
labor
laborer
machinery
man
manufacture
manufacturer
manufacturing
material
melt
metal
metallurgical
metalwork
metalworker
metalworking
molten
occupation
operator
oven
precision
press
process
production
profession
professional
quench
quenching
red
sheet
smith
stainless
stamp
steel
stove
technician
technology
temperature
tool
treatment
work
worker
working
workshop