Any brothers and sisters you know, can you tell me what the main job of seafarers is? If you go to a cadet school in Shanghai, there will be various majors.

Seafarers are divided into ordinary seamen and senior seamen. Ordinary seafarers must pass four courses, collectively referred to as the "Four Small Certificates", which are ship lifesaving, firefighting, first aid and raft maneuvering. Senior seafarers are divided into two areas: seamanship and engineering management. The professional courses in navigation are:

Maritime English, English listening and conversation, navigation watch and collision avoidance, navigation meteorology, oceanography, maritime cargo ship structure and settings, computer applications, chart operations, ship positioning, routes Design, differential measurement, navigation instruments, cargo stowage and securing, marine craftsmanship, basic safety, advanced firefighting, first aid proficiency, craft training, radar, GMDSS operation

Marine engineering major:

Marine English, English listening and conversation, basics of marine engineering, ship auxiliary machinery, ship diesel engine, marine maintenance, marine electrician, ship operation management, computer application, power station internship, machine repair and operation management, electrical technology, metalworking technology internship , basic safety, electric fire protection, first aid proficiency, raft training