Grease trap, waste disposal,Waste water treatment ponds, waste water disposal procedures
Closeup hand of person holding abundance soil with young plant in hand for agriculture or planting peach nature concept.
Modern urban wastewater treatment plant.
GRODNO, BELARUS - OCTOBER 2018: Solving problem of environmental pollution with waste as garbage processing plant - huge pile of garbage prepared for loading onto conveyor belt for further sorting and processing.
Organic compost with green waste - process which makes natural ferteliser from food and garden waste.
Pig reciever at oil and gas wellhead remote platform for internal cleaning and inspection to protec corrode inside sea line pipe.
