the floor of the control unit of the device is a hitter-tritter filled with oil. repair work. opening of equipment. cleaning the

bond breach breakthrough cleaning closeup clothing construction control craftsman deposits dirt dismantled ecology engineering environmental fire gas gasoline gauge grinding hazard heater industry leak level luminescence metal nordstream oil operating pipe pipeline pollution production rags repair repare rosneft rot safety siberia site southstream spills stain steel technique treater trench turkishstream unit welder welding yuganskneftegaz