
Lapho amaphaneli ayinhlanganisela ye-aluminium esetshenziswa kumaphrojekthi wodonga lwamakhethini,
kufanele balandele izimiso zokuphepha, ukwethembeka, ukusebenza, ubuhle kanye nomnotho, okuyinto ukuphepha kubaluleke kakhulu.

Udonga lwamakhethini e-aluminium kanye nokuxhumana kwalo kufanele kube nomthamo owanele wokuthwala,
ukuqina kanye nekhono lokufuduka uma kuqhathaniswa nesakhiwo esikhulu,
kuyilapho ikholomu yohlaka lwamakhethini ikholomu yokuxhuma ikhodi ye-engeli yensimbi nokunye ukuxhumeka kufanele kufakwe ibhowudi, futhi kufanele yenze umsebenzi omuhle wezinyathelo zokulwa nokuxegiswa.
Izindonga zamakhethini ezidinga ukumelana nomlilo kumele zihambisane nemithethonqubo efanele,
ngenkathi isakhiwo esiyinhloko kanye nodonga lwamakhethini uxhumano lwezingxenye ezihlukahlukene ezakhiwe ngaphambilini,
inombolo, imininingwane, indawo kanye nokwelashwa okunqanda ukugqwala kufanele kuhlangabezane nezidingo zokuklama.

Uhlaka lwensimbi yodonga lwamakhethini kanye nesakhiwo esiyinhloko kufanele sixhunywe izingxenye ezingcwatshwe ngaphambili.
Izingxenye ezifakwe ngaphambili kufanele zingcwatshwe esakhiweni esikhulu sokwakhiwa kwekhonkrithi,
lapho ungekho umbandela wokusebenzisa izingxenye ezishumekiwe ngaphambili.
Ezinye izindlela zokuxhuma ezithembekile zizosetshenziswa futhi umthamo wokuthwala uzonqunywa ngokuhlolwa.