1. Nikeza ukubuka okugcwele shazi, phusha uphinde udonse kwesobunxele nakwesokudla kahle, ukudala isikhala esizimele;
2. Izinto zohlobo lwe-aluminium zinzima futhi akulula ukuzikhubaza, ukuqina okuphezulu kunqaba umthelela, okuhle futhi okusebenzayo, okucocekile, okwaziyo, ukubamba futhi okusindayo, ukuthuthukisa izinga lobuhle lasekhaya, nokudla ngesitayela esisha sanamuhla nesilula;
3. Ukusebenza kahle kokufaka uphawu, i-coefficient enhle ethule ukuhlukanisa umsindo wangaphandle, ukuqhutshwa okuphezulu okushisayo okushisa, umphumela omuhle wokushisa ukushisa;
4. Ngemuva kokuhlolwa okuningi nokudonsa, isici sokuphepha sesiphezulu. Umkhiqizo unikeza iziqinisekiso eziningi zedizayini yekhwalithi kuzo zonke izici. Umnyango oshibilikayo ufakwe ama-pulleys ukuvimbela ukujikela ohlangothini nohlangothi nokukhipha indlela;
5. Isibambo esenziwe ngokwezifiso sihlanzekile futhi sigcotshisiwe, sinomuzwa ofanele, futhi akulula ukucindezela futhi kulula ukuvula nokuvala.