Ona o ona tulaga lelei e pei o le faʻafefiloi vave, faʻafefiloi toniga, lelei resin absorption o plasticizers, faʻagaioiga faigofie, faʻamamaina faigofie, tumau, ma le fausaga faʻapipiʻi, e faʻaaogaina lautele i le gaosiga o pisinisi eseese.
O mea fa'afefiloi palasitika o meafaigaluega taua ia i la'au gaosi palasitika, e masani ona fa'aogaina i faiga e pei o le fa'afefiloi ma le valivali o le resini polyvinyl chloride, fa'amagoina o le polyethylene/polypropylene granule, fa'amagoina o le resini ABS mo le fa'aliliina, fa'amagoina o le resini polycarbonate, ma le fa'afefiloi o resini phenolic. E iai fo'i a latou fa'aoga i le pa'u, vaila'au, ma le vali.
