Metal workers union, Numsa has returned to the bargaining table with Eskom executives, as they continue with they bid for a wage increase. They are demanding, among other things, a 15 per cent wage increase, a one-year wage agreement and an end to salary disparities. They have also rubbished claims by Eskom on how much the average worker earns. Numsa Spokesperson, Phakamile Hlubi- Majola joins CNBC Africa for more.