1. Isikulufu esihlanganisiwe yigama elivame ukusetshenziswa ekwakhiweni kwamaphrojekthi wokwakha, okubonisa ukuthi ububanzi bensimbi yensimbi bungaphansi kwamamilimitha ayishumi;
2. Ngenxa yokuthi izinsimbi zensimbi ezingaphansi kwamamilimitha ayishumi kulula ukugoba, ukuze kuncishiswe ubude ngaphambi kokuthutha, umenzi ugoqa izinsimbi ezinde zensimbi zibe yindilinga, futhi izinsimbi zensimbi zibizwa ngokuthi imibuthano ehlanganisiwe ezindaweni zokwakha;
3. Isetshenziswa kakhulu ekwakhiweni kobunjiniyela bomphakathi njengezindlu, amabhuloho, imigwaqo, njll.
4.Isikulufu sekhoyili yensimbi yokwakha
Insimbi yokwakha, njengoba negama lisho, iyibha ehlanganiswe ndawonye njengocingo. Ngokuvamile, iningi lensimbi emakethe liyi-6.5-8.0-10-12-14. Ngokuvamile, ngesikhathi sokubeletha, iminenke egobile iyakalwa, ikakhulukazi ngenxa yokuthi iminenke egobile iyagoqa futhi ayikwazi ukuhlolwa. Ngesikhathi esifanayo, emakethe yensimbi yanamuhla, kunezigaba ezintathu kuphela zeminenke egobile.