I-PP / PE / PS / ABS Umshini wokwenza amaPhepha usetyenziswa ngokubanzi kumashishini okwakha kunye nokupakisha kunye nemboni yokuhlobisa njl. Izinto eziphathekayo zilula, zibushelelezi, zibukeka kakuhle, kunye nobungqina bomswakama, ukuchasana noxinzelelo.
Uvele undixelele ukuba ufuna owuphi umatshini,masenze omnye umsebenzi.
1. Yila kwaye wenzele umatshini ofanelekileyo.
2. Ngaphambi kokunikezelwa, siya kuvavanya umatshini uze uneliseke ngokupheleleyo.(Ungeza kumzi-mveliso wethu ukuze uhlole umgca wemveliso osebenzayo.)