Ukubumba umjovo wepulasitiki kuyinqubo yokukhiqiza esetshenziselwa ukukhiqiza izingxenye eziningi zepulasitiki nemikhiqizo.Kubandakanya ukujova impahla yepulasitiki encibilikisiwe endaweni yokubunjwa, emise okwengxenye oyifunayo noma umkhiqizo.Izinto zepulasitiki zivame ukuncibilika futhi zifakwe esikhunjeni ngaphansi kwengcindezi ephezulu, okudala ingxenye eyakhiwe ngokuqinile enobukhulu obunembile nezici.Le nqubo iphumelela kakhulu futhi ibiza kakhulu ukukhiqiza inani elikhulu lezingxenye ezifanayo noma imikhiqizo.Isetshenziswa kakhulu ezimbonini ezahlukahlukene, kufaka phakathi ezezimoto, ezokwelashwa, izinto zasendlini, nezimpahla zabathengi.Izibunzi zemijovo yepulasitiki ezisetshenziswa kule nqubo ngokuvamile zenziwe ngensimbi, futhi izibunzi zingaklanywa ukukhiqiza amajiyometri ayinkimbinkimbi, ukwakheka okuyinkimbinkimbi, nemibala eminingi ngeshothi elilodwa.Ukusetshenziswa komjovo wepulasitiki kunikeza ukuguquguquka okukhulu ekukhetheni kwezinto ezibonakalayo, okuvumela ukukhiqizwa kwezingxenye eziningi ezinezici ezihlukahlukene, ezifana neziqinile noma eziguquguqukayo, ezibonakalayo noma ezikhanyayo, kanye ne-flame retardant noma ukumelana namakhemikhali.