機器
air
beams
blast
blasting
bright
building
clean
cleaning
construction
engineering
equipment
factory
grit
hazard
health
heavy
helmet
industrial
industry
lights
man
mask
masker
metal
oxide
paint
painting
part
preparation
pressure
process
protection
protective
safety
sand
sandblast
sandblasting
service
shop
smokes
steel
structure
surface
tradesman
uniform
white
work
worker
workshop