Lead Operator vacancies, 上海, 上海. Create your free resume and discover job offers near you. Try our free job alerts.1) Tests and repairs ore-crushing and ore-transporting machinery: Starts machines and equipment, such as feeders, jaw crushers, conveyor belts, and suction dust collectors. 2) Observes machines and equipment in operation for defects and malfunctions. 3) Turns valves to regulate flow of water into cooling system. 4) Breaks up clogged ore, using iron bar or pneumatic hammer. 5) Repairs machines and equipment, using handtools.Source: https://www.wikipedia.org/
