Izintambo zikagesi zingahlukaniswa ngokwenhloso, ukwakheka, nezinto ezibonakalayo. Ngenhloso, izintambo zikagesi zingahlukaniswa zibe izintambo zokudlulisela kanye nezintambo zokusabalalisa; ngesakhiwo, zingahlukaniswa-ngamakhebuli ayinhloko kanye-nezintambo eziwumgogodla eziningi; futhi ngezinto ezibonakalayo, zingahlukaniswa zibe izintambo zethusi nezintambo ze-aluminium.
