Cov khoom siv tau tsim los nrog modularization raws li cov qauv thoob ntiaj teb ntawm lub thawv, txais yuav cov qauv thav duab zoo li lub thawv uas tau ntawv pov thawj los ntawm Tuam Tshoj Classification Society. Nws ua tau raws li cov kev cai ntawm Container Inspection Regulations thiab International Convention for Safe Containers, uas tso cai rau kev xa khoom ncaj qha los ntawm hiav txwv.