Container o se pusa masani e faʻaaogaina mo le faʻaaogaina o uta, vaevaeina i totonu o pusa faʻavaomalo faʻavaomalo ma pusa e le masani ai.
Ina ia faʻafaigofie le faʻatusatusaina o le numera o pusa, e mafai ona e ave le 20ft container e fai ma pusa faʻaliliuga (faʻatatau i le TEU, Twenty-foot Equivalent Units).