英文關鍵字
building
business
coating
commercial
construction
contractor
copyspace
device
equipment
exterior
factory
flow
galvanized
hand
industrial
industry
iron
job
labor
man
manufacture
mask
metal
occupation
paint
painter
person
plant
powder
process
product
protection
protective
remodel
renovate
renovating
repair
service
spray
sprayer
steel
surface
technician
technology
tool
wand
wet
white
work
worker