★ Isivinini sokwakha okusheshayo nokusebenza kahle kokukhiqiza okuphezulu;
★ Ukonga isikhala;
★ Ukusetshenziswa okuphansi kwamandla okukhiqiza, ukonga izinsiza;
★ Ukunemba okuphezulu kokubumba kanye nezakhiwo ezinhle zomzimba nezemishini;
★ Ukuzinza okuhle kwenqubo;
★ Ukuzivumelanisa nezimo okuqinile kwezinto ze-wallboard;
★ Izinhlobo ezihlukahlukene zesakhiwo zingakhiqizwa;