英文關鍵字
business
coating
color
construction
conveyor
corrosion
detail
details
employee
equipment
fabric
factory
gun
hand
industrial
industry
interior
line
man
manufacture
mask
metal
metalworking
modern
paint
painter
particles
people
plant
polymer
powder
process
product
production
protection
protective
service
spray
sprayer
steel
surface
technician
technology
tool
uncharged
warehouse
white
work
worker