1, sebhithi Main:
Ubukhulu bethebulethi:
Ubude sekukonke: 2000mm ububanzi: 480 mm
Ibanga lokuphakama eliguquguqukayo: 550 ~ 800mm Adujst : ≥250mm Kungaba phezulu, lungisa ngokukhululeka
2, Ipharamitha yobuchwepheshe:
I-Trendelenburg ebuyisiwe: ≥20 ° Trendelenburg: ≥20 °
Ukutshekisa ngemuva: ≥18 °
Isigaba Sokubuyela Emuva: ≥50 ° Phansi: ≥15 °
Isigaba Sekhanda Phezulu: ≥45 ° Phansi: ≥90 °
Isigaba Somlenze Phansi: ≥90 °
Ukuphakama kwesigaba sezinso: ≥100mm