Ngonyaka odlule, i-NSEN iyaqhubeka nokuhlinzeka ngama-valve ethu e-butterfly ephrojekthi yokushisa ephakathi yaseShayina. Lawa ma-valve aqala ukusetshenziswa ngokusemthethweni ngo-Okthoba futhi abesebenza kahle izinyanga ezine kuze kube manje. 
Isikhathi sokuthunyelwe: Jan-30-2021