機器
function
accuracy
after
background
chip
chips
computer
cut
cutting
details
dirty
drill
drilling
dump
ecology
engraving
environment
environmental
garbage
holes
industrial
industry
landfill
making
management
manufacture
materials
mechanical
metal
pause
plant
plastic
pollution
power
precision
presence
process
product
production
recycle
recycling
removal
rubbish
shavings
technology
tool
trash
waste
work