機器
air
automated
block
bubbling
building
business
calx
carbonate
closeup
complex
compressed
concrete
construction
energy
engineering
environment
environmental
equipment
facility
factory
gas
industrial
industry
lime
machinery
maintenance
manufacture
manufacturing
material
plant
pollution
pool
power
preparation
process
production
safety
silica
sludge
storage
structure
supply
system
technology
warehouse
work
workshop