Inzuzo Yokubumba Okujikelezayo:

1) Izindleko zamathuluzi ezomnotho.

2) Ukwakhiwa kwesiqephu esisodwa.

3) Ukunciphisa isisindo-uma kuqhathaniswa nezinsimbi eziningi.

4) Ukujiya kodonga olulinganayo-ukungafinyeleli emaphethelweni.

5) Ubukhulu bungahlukahluka uma kudingeka

6) Izinhlobonhlobo zokuqeda nombala.

I-7) Ikhono lokukhiqiza ama-multi-wall moldings.

8) Ukuguquguquka kwedizayini-kusuka kokuncane nokuyinkimbinkimbi kuye kokukhulu nokuyinkimbinkimbi.

9) Ukufakwa kwensimbi njengezingxenye ezibalulekile.

10) Isikhathi esifushane sokuhola.

11) Ukumelana nokuqhekeka kwengcindezi nokugqwala.