英文關鍵字
air
auto
background
coat
coated
coating
coatings
color
control
device
equipment
factory
finishing
galvanized
galvanizing
green
gun
hand
industrial
industry
machine
machinery
metal
metalworking
modern
paint
painted
painter
part
plant
powder
process
product
service
spray
sprayer
stainless
steel
tech
technology
white
work
worker