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I-1, Ukwakhiwa kwangaphambili, inqubo yokukhiqiza ephelele, ukulawulwa kwenqubo okuqinile, ukuqinisekiswa kwekhwalithi okuthembekile nokuqhubekayo

2, Ukwakheka okuhlukile kuqinisekisa umphumela werabha wokunwebeka

3, uphawu olusebenzayo luxazulula inkinga yokuvuza kukawoyela

I-4, Ukusebenza okuhle kokuvikela uwoyela kanye nokungcoliswa okuncane kuwoyela we-transformer

5, Ukukhetha izinto ngokucophelela nangokuklama kahle kuqinisekisa uphawu olusebenzayo.