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From the collection of Capt. Per Jespersen

Shore Control

As a supertanker loads one mile offshore at berth No. 1, the raised position of indicator No. I on the large hydraulic valves (left) indicates that the appropriate valve is open. These hydraulic valves can be closed by line pressure during loss of power or other emergency. The smaller, electrically operated valves (right) are used to control the loading rate and can be operated manually in case of necessity.