Iintambo zombane kufuneka zifakwe ngabasebenzi abaqeqeshiweyo ngokuhambelana nezenzo zobunjineli ezilungileyo, iikhowudi zokusebenza ezaziwayo, iimfuno ezisemthethweni zendawo, imimiselo yocingo ye-IEE kwaye apho kufanelekileyo, ngokuhambelana nayo nayiphi na imiyalelo ethile ekhutshwe yinkampani.
Iintambo zombane zihlala zibonelelwa kwimigqomo yentambo enzima kwaye ukuphatha la magubu kunokwenza ingozi yokhuseleko.Ngokukodwa, iingozi zinokuthi zivele ngexesha lokukhutshwa kweentsimbi zokubopha intsimbi kunye nexesha lokususwa kokugcinwa kwe-battens kunye nemithi enokuthi iveze izikhonkwane ezicacileyo.
Ngolwazi oluneenkcukacha, jonga kwiCatalogue yeMiyalelo yokuphatha iGubu likaChialawn.