Ngezikhathi zeHolocene, isidingo semishini esindayo embonini ehlukahlukene besilokhu sikhula, okubandakanya ukwakhiwa, ibhizinisi lezolimo, kanye nezimayini. Lokhu kune-diode ekhipha ukukhanya esidingweni esikhulayo somzila wenjoloba oqinile futhi osebenza kahle kugandaganda, i-excavator, i-backhoe, kanye ne-path stevedore. Ukugxila kukho...
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