英文關鍵字
metal
work
table
chips
accurate
background
blur
brilliant
chipped
cold
cuttings
engineering
fabrication
garage
gauge
industrial
industry
locksmith
machining
measurement
processing
metalworking
milling
process
production
scale
selective
focus
shavings
shiny
small
stainless
steel
surface
swarf
technology
vernier
waste
working
workplace