دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: see motorhand.

n: The member of the rig crew responsible for maintenance of the engines. While all members of the rig crew help with major repairs, the motorman does routine preventive maintenance and minor repairs.

n: a system of conducting regular checks and testing of equipment to permit replacement or repair of weakened or faulty parts before equipment failure results.