英文關鍵字
camera
career
chamber
chemical
coating
collaboration
conveyer
conveyor
corrosion
covering
detail
employee
employment
engineering
equipment
fabric
finishing
flow
galvanizing
gun
industrial
industry
iron
machine
machinery
maintenance
man
manufacture
manufacturing
metal
metalworking
paint
painter
painters
painting
powder
process
production
protection
protectivesuit
service
spaying
sprayer
steel
surface
technology
uniform
worker
workers
workshop