英文關鍵字
air
airtight
camera
chamber
cleaning
cleans
cleansing
equipment
gloves
hardware
industrial
industry
inside
iron
machine
manufacturing
metal
metallic
mitt
model
object
particles
person
pressure
printed
processing
production
protection
remove
rubber
sandblast
sandblaster
sandblasting
sealed
sealing
shotblaster
steel
surfaces
treatment
work
worker
working