Ukwakhiwa kombhobho kuyinto enobungcweti, sidinga abaklami babe neminyaka engaphezu kwengu-3 yesipiliyoni esifanele ukuklama imibhobho ngokuzimela.

Le nqubo inzima futhi iyinkimbinkimbi, futhi imvamisa idinga ukucubungula izinto eziningi, njengokuthi isifutho okuphakathi kukonakalisa kakhulu, noma ngabe indawo yokufafaza iqukethe i-gravel elukhuni, ikhanda lepompo nedatha yokuhamba okulinganisiwe, ukuma kwesifutho sombhobho, ukuhlelwa nenombolo yombhobho, Indawo yokusebenza yombhobho, ukusetshenziswa kwamanzi kombhobho, ukuma kwe-aerodynamic kombhobho womoya, izinhloso ezidinga ukufinyelelwa, njll., fingqa lolu lwazi, futhi abaklami bethu bangaklama uhlobo lombhobho olulungele ukusetshenziswa kwakho.