Modern industrial gas boiler room equiped for heating process. Heating gas boilers, pipelines, valves. Sun flares
Air cooled water chiller with pipework
Steel pipe with heat insulation lay on the ground. Water main replacement equipment, stack of insulated pipes for pipeline, underground heat system
Electrical energy distribution substation in a wastewater treatment plant
wires in electrical panel
Hydrostatic test and manometer ( pressure gauge ) of the process piping in the workshop. Pressure tightness can be tested by shutting off the supply valve and observing whether there is a pressure loss.