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Kwimimandla yezixhobo zezolimo, i-rake enzima ime njengesixhobo esibalulekileyo kumafama afuna ukuphumeza iindlela zabo zolawulo lomhlaba. Esi sixhobo esomeleleyo sisetyenziselwa ikakhulu kwimisebenzi enje ngokulinganisa umhlaba, ukwaphula amaqhina, kunye nokulungiselela iibhedi zembewu. Uyilo lwayo lubonisa uthotho lwee-tins ezinomeleleyo ezingena emhlabeni ngokufanelekileyo, zivumela ukusebenza kwe-airation yomhlaba kunye nokhula