Zinesicelo kumashishini amaninzi, kubandakanya ukuqhubekeka kwamachiza, iPetroleum, ukucoca, unyango lwenkunkuma, izixhobo zokwenza izinto, / ukuvelisa amandla, izixhobo zemizi-mveliso, uxinzelelo lwegesi, igesi yendalo kunye nokuhambisa amashishini. Umbhobho we-tee uyacetyiswa kwizixhobo zomsebenzi we-hydrodynamic inkqubo