Iikomityi zeplastiki zibonelela ngeenzuzo ezininzi, kubandakanya ukulula, ukufikeleleka, kunye nokuqina.Zikhaphukhaphu kwaye kulula ukuzithwala, zikulungele ukuphuma, kwaye zilungele imiboniso eyahlukeneyo.Nokuba ziindibano zentsapho, amanzi eofisi, okanye iminyhadala yeshishini, iikomityi zeplastiki lukhetho olufanelekileyo nolusebenzayo.