英文關鍵字
background
baking
black
car
climbing
coating
color
compressor
control
courage
device
dust
equipment
fabric
factory
finishing
galvanized
galvanizing
glove
hose
industrial
industry
line
machine
machinery
metal
metalworking
modern
office
paint
part
plant
powder
process
product
protection
protective
pulverizer
service
spray
sprayer
stainless
steel
surface
tech
technician
technology
tool
work
worker