Iiswekile
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Ukuqinisekisa Umgangatho weSiraphu yeShukela ngeZisombululo zeGreat Wall Filtration
Ishishini leswekile linesithethe esidala sokusebenzisa iinkqubo zokwahlulahlula kunye nokucoca. Kwiminyaka yakutshanje, nangona kunjalo, uthungelwano lweswekile lwehlabathi luye lwaba nzima ngakumbi, kunye nokuguquguquka kokufumaneka kwezinto eziluhlaza kunye neendlela zokucubungula ezichaphazela kakhulu umgangatho kunye nexabiso lesiraphu yeswekile. Kubasebenzisi bemizi-mveliso abafana nabavelisi beziselo ezibandayo kunye neziselo zamandla—aba...
