Imvume yokusebenza ngobume bomhlaba

Imisebenzi yolwakhiwo lomhlaba etshintsha ubume bomhlaba, njengokuzalisa isiza, ukumba, ukugrumba kunye nokufaka inqwaba, kunye nokugawula imithi kwiplani yesiza, ukuvalwa kwesakhiwo kunye neendawo ezicwangcisiweyo ezikhethekileyo zesicwangciso ngokubanzi zifuna imvume yokusebenza yendawo.

Iphepha-mvume lokusebenza ngobume bomhlaba liyafuneka kwakhona xa kugawulwa ihlathi kwindawo yesicwangciso sesiza nangaphandle kwendawo yesicwangciso sesiza, ukuba kuchaziwe kwisicwangciso. 

Ukugawula imithi