O la matou masini tipi leisa paipa ua mamanuina e tipi u'amea ma foliga eseese, e aofia ai le lapotopoto, sikuea, rectangular, oval, faʻapea foʻi ma faʻamatalaga faʻatasi ai ma faʻasalalauga eseese matala (Eg I-beam, H, L, T, ma U cross- vaega).O vaifofo leisa paipa e faʻamoemoe e faʻateleina le gaosiga, fetuutuunai ma le tipiina o le lelei o paipa ma faʻamatalaga faʻamaeʻaina i le tipiina o le laser fiber saʻo.
O le faʻaaogaina o paipa faʻapipiʻi leisa ma faʻamatalaga e eseese, mai le pisinisi taʻavale, inisinia faʻainisinia, faufale faufale, faʻataʻitaʻiga o meaafale i fale gaosi oloa, ma isi mea. avanoa.