Ingegneri ambientali lavorano presso gli impianti di trattamento delle acque reflue, Ingegneria dell'approvvigionamento idrico che lavora presso l'impianto di riciclaggio dell'acqua per il riutilizzo, Controllare la quantità di cloro nell'acqua per essere entro i criteri. - Foto e immagini stock

Environmental engineers work at wastewater treatment plants,Water supply engineering working at Water recycling plant for reuse,Check the amount of chlorine in the water to be within the criteria.

Environmental engineers work at wastewater treatment plants,Water supply engineering working at Water recycling plant for reuse,Check the amount of chlorine in the water to be within the criteria.

Environmental engineers work at wastewater treatment plants,Water supply engineering working at Water recycling plant for reuse,Check the amount of chlorine in the water to be within the criteria.

Environmental engineers work at wastewater treatment plants,Water supply engineering working at Water recycling plant for reuse,Check the amount of chlorine in the water to be within the criteria.

Environmental engineers work at wastewater treatment plants,Water supply engineering working at Water recycling plant for reuse,Check the amount of chlorine in the water to be within the criteria.

Environmental engineers work at wastewater treatment plants,Water supply engineering working at Water recycling plant for reuse,Check the amount of chlorine in the water to be within the criteria.

Environmental engineers work at wastewater treatment plants,Water supply engineering working at Water recycling plant for reuse,Check the amount of chlorine in the water to be within the criteria.

Engineers work place to keep liquid helium,preventive maintenance schedule checking,Thailand people

Engineers work place to keep liquid helium,preventive maintenance schedule checking,Thailand people

Environmental engineer working at wastewater treatment plant, Water recycling plant for reuse

Engineers work place to keep liquid helium,preventive maintenance schedule checking,Thailand people

Engineers work place to keep liquid helium,preventive maintenance schedule checking,Thailand people

Asian man petrochemical engineer working at oil and gas refinery plant industry factory,The people worker man engineer work control at power plant energy industry manufacturing

Maintenance technician at a heating plant,Petrochemical workers supervise the operation of gas and oil pipelines in the factory,Engineers put hearing protector At room with many pipes

Environmental engineers work at wastewater treatment plants,Water supply engineering working at Water recycling plant for reuse,Technicians and engineers discuss work together.