Inzwa yoxinzelelo yeyona nto isetyenziswayo isetyenziswayo, esetyenziswa ngokubanzi kwiindawo ezahlukeneyo zokusebenza zemveliso, ezibandakanya ukuhambisa amanzi kunye ne-hydropower, izakhiwo zikaloliwe, i-Aerospamication, i-Aerochemical, umbane, iinqanawa ...
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