Analyze rock and mud to detect the presence of oil.
Supervises and coordinates activities of ELECTRICIAN, SUBSTATION engaged in installing and repairing circuit breakers, transformers, and other electrical equipment in substation of power system: Examines workers’ tools and equipment and installed safety devices, such as hoses and blankets. Directs workers to de-energize lines and equipment and to post warning signs. Inspects completed work and directs workers to restore electrical service. Trains workers in installation and repair of electrical equipment. May supervise and coordinate activities of workers engaged in erecting transmission towers and structural framework of substation [LINE SUPERVISOR]. Performs other duties as described under SUPERVISOR Master Title.