The hull design of the roll-on/roll-off ship "Bia", which was built in 1975 for Swedish owners, has some similarity with the "Trisec" form.
Uyilo lwesiqu lokuqhutywa kwenqanawa ekuqaleni kohambo ngenqanawa zicinywe ekupheleni kwalo uBia, owakhiwa ngo1975 esakhelwa abanini bamaSwedishi, iyafana nokwakhiwa kweTinsee.