機器
accumulation
amended
automatic
automation
background
chips
closeup
concept
cut
detail
dump
engineering
equipment
factory
garbage
heap
heavy
industrial
industry
iron
lathe
litter
manufacture
material
mechanical
mechanism
metal
metallic
metalworker
pile
plant
processing
processor
procurement
product
production
products
raw
recyclable
renewable
resources
shaving
shiny
steel
technology
tool
utilization
waste
working