1.Isakhiwo esiqinisiwe esiyingqayizivele kanye nenzuzo yefomula ehlanganisiwe yokunyathela ukuze uthole umthamo wokulayisha ophakeme kakhulu kuzo zonke izinhlobo zomgwaqo onzima.
I-2.I-design yephethini yamabhulokhi amakhulu iqinisekisa ukudonsa okuhle kakhulu, ukuhamba ngaphandle komgwaqo kanye nekhono lokuzihlanza.