Seagull CES Crew Evaluation Test The application will help you prepare for passing computer tests Seagull CES Bulk carriers - Support level. Cargo Handling And Stowage (Detailed) The application contains 51 questions on the topic: Bulk carriers - Support level. Cargo Handling And Stowage (Detailed). The application is equipped with a convenient search. It is possible to take a practice test that you can set up yourself.