Tankers, Gas Carriers) SectionProject Work File. Section k Cadet Shipboard Activity Work Book Supplements (Oil Tankers, Chemical Tankers, Gas Carriers) SectionProject Work File. The document provides an overview of MNTB approved training Section k Cadet Structured Shipboard. On the job training envisages that a portion of work time of STO is used to train his/her subordinates. SectionProposed Distance Learning Program k Cadet SSTP Record Book k Cadet Shipboard Activity Work Book k Cadet Shipboar