機器
aluminum
angle
anvil
armature
background
bar
blacksmith
bundle
construction
design
engineering
equipment
factory
hammer
heavy
home
industrial
industry
iron
iron hammer
iron stick
material
mechanic
metal
metal stick
metallic
metallurgy
outdoor
pipeline
repair
rod
rolling
rust
rusty
square
stainless
steel
steel mill
strong
structure
tools
trading
vintage
welding
willing
wood
work
worker
workshop