機器
area
arranging
automatic
big
black
business
diameter
engineering
equipment
factory
ferrous
foundry
goods
heap
heat
indoors
industrial
industry
inside
iron
large
line
loading
machinery
manufacture
manufacturing
metal
metallurgical
metallurgy
mill
objects
pile
pipe
pipemolding
plant
production
roll
rollingmill
row
shop
stainless
steel
storage
technology
tube
tubing
warehouse
works
workshop