Hello!
Can you please check the underlined parts and the whole passage? Thank you in advance.
39.1.7.1. Working conditions of process plants'operators in the oil industry
In the oil field operators conduct and supervise the influx of oil from oil-wells and separation of unwanted things. They prepare the transport of oil by pipeline or by cisterns, supervise the instruments of oil influx, pumps's operation/operating and other. The process of oil separation and preparation is automatized and closed in the system of apparatus/equipment, and in the normal work/operation there is no contact with oil.