I totonu o le lalolagi faʻasolosolo o meaafale ma teuteuga totonu, PET maualuga iila pito fusi ua aliaʻe o se tasi o mea e sili ona sailia mo le fatuina o mea tau tupe, faʻaonaponei faʻalelei. Ua lauiloa i lona fa'ai'uga sili iila, tumau, ma mea fa'alelei, PET (Polyethylene Terephtha