Steel Pipe line..
Centrifugal pump with induction motor ca..
Heat exchangers in a refinery. The equip..
industrial pipelines against blue sky..
OLYMPUS DIGITAL CAMERA..
The pump of the closed type for oil prod..
Industrial zone, Steel pipelines, valves..
Belüftungsrohre am Belebungsbecken in d..
The pump of the closed type for oil prod..
Tank storage with pipe line..
Fragment of the technological installati..
The pump for pumping hot products of oil..
Heat exchangers in a refinery. The equip..
Pipeline of the power station..
Industrial pressure gauge on the backgro..
pipe in oil refinery..
metal pipes coming out of the building..
The technical area..
Gas industry..
GIS (Gas Insulated Switchgear) for apply..
Open or close valve of cooling tower,but..
Heat exchanger with pipeline..
Oilfield equipment..
pipeline close-up behind the background ..
pipeline and power line in the city in w..
Industrial heating system. Gas boiler, s..
Petroleum plant on day time..
Metal Pipes at an Oil Refinery..
Natural gas pipeline..
Natural gas station with yellow pipes po..
industrial pipes in the water treatment ..
Steel pipes and tank for wort boiling at..
P-35 cruise anti-ship missile. A missile..
Heat exchangers in a refinery. Heated ga..
Engineer in safety gear conducts inspect..