manufacturing occupation
sewage treatment plant
automated
backgrounds
building activity
business
business finance and industry
cold drink
connection
control
conveyor belt
engineering
equipment
factory
filtration
finance and economy
industrial building
industrial equipment
industry
manufacturing
manufacturing equipment
modern
order
pipe tube
place of work
plastic
production line
professional occupation
purified water
quality control
refreshment
technology
tube
water pipe
water purification plant
working
workshop