機器
coil
construction
employee
equipment
factory
heat
heavy
hot
industrial
industry
iron
job
line
machinery
manufacture
manufacturing
metal
metallic
metallurgic
metallurgical
metallurgist
metallurgy
mill
nobody
plant
process
production
products
red
reinforcement
rod
roll
rolled
roller
rolling
shop
stand
steel
stock
technical
technology
temperature
warehouse
wire
work
zinc