Iikomityi zamanzi zeplastiki zinokuba nolwazi oluthile oluphawulwe emazantsi ngaphambi kokuba uphume kumzi-mveliso.Ezi mpawu ziyilelwe ukubonelela ngolwazi olufanelekileyo lwemveliso, ulwazi lwemveliso kunye nolwazi lwempahla.Nangona kunjalo, olu phawu lunokwahluka ngokuxhomekeke kumenzi, ummandla, imimiselo, ...
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