I-1.Ixabiso eliphezulu eliphezulu
2.Uyilo olubambeneyo
3.Ukuthembeka okuphezulu kunye nokuqina
4.Uluhlu olubanzi lobushushu bokusebenza
1.Ulawulo lwefriji
2.Iyunithi yomoya womoya
3. Unikezelo lwamanzi oluxinzelelo rhoqo
I-4.I-Hydraulic kunye ne-pneumatic systems