In this video, you'll see how the engineers carry out the performance test for a ship's main engine.
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Chief MAKOi
Seaman Vlog
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Credits to
El Rich https://www.youtube.com/channel/UC4TowkLo4r1oU85FaEdaiog
Lecky Louie https://www.youtube.com/channel/UCCumNO8DXer7m4AVvyN7Rkg