Machinery repairman 3 & 2

Machinery repairman 3 & 2

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Ball valves are normally found in the following systems onboard ship: seawater, sanitary, trim and drain, air, hydraulic and oil transfer. Repair procedures for ball valves can be found in Portsmouth Process Instructions, discussed below.

Title:Machinery repairman 3 & 2
Author:Rey R. Romero, Naval Education and Training Program Support Activity (U.S.)
Publisher: - 1990


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