Beka isibonda ngokutsho kumbindi wesikhundla semfumba, kwaye uzobe i-arc ejikelezayo ngekalika, uze umbe ngesandla umngxuma okanye i-excavator ukumba umngxuma, ubeke kwi-casing yentsimbi, kwaye ucinezele umgca wokutsalwa kwemfumba elinganisiweyo, ukuba indawo esembindini yebhokisi iyafana neyokulinganisa kunye...
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