Why doesn't the length of service show the boatswain?

Employment information has not been sent. If you can't find the qualification of sailor's certificate, you can go to the maritime supervisor for consultation and supplement. The employment information hasn't been sent yet. You can check it again. Sailors refer to ordinary crew members who are responsible for the deck work of ships. Sailors are mainly responsible for the daily maintenance, sanitation and cleaning of the ship, navigation duty, anchoring duty, and engaged in related work on the ship under the arrangement of the first mate or the duty driver.