機器
angle
automated
building
business
calx
carbonate
cloudy
complex
concrete
construction
electricity
energy
engineering
environment
environmental
equipment
facility
factory
industrial
industry
large
lime
low
machinery
maintenance
manufacture
manufacturing
material
open
plant
pollution
power
process
production
safety
shot
silica
silo
sky
storage
structure
supply
system
technology
warehouse
work
workshop