Izibane ze-Led Tunnel zisetyenziswa ikakhulu kwiitonela, iiworkshops, iindawo zokugcina iimpahla, iindawo, i-metallurgy kunye neefektri ezahlukeneyo, kwaye zifaneleke kakhulu kwimbonakalo yedolophu, iibhodi zebhodi, kunye nokwakha iifacade zokuhombisa ukukhanya. Izinto ezithathelwa ingqalelo kuyilo lwesibane sokukhanyisa itonela...
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