"The result of workers embarking on strike action... will result in oil refineries that will have to shut down due to the strike action and there will be a shortage of petrol," the Chemical, Energy, Paper, Printing, Wood and Allied Workers' Union (Ceppawu) said in a statement.
Petrol shortage warning
Johannesburg - A union with workers in various companies including petrochemicals group Sasol and paper maker Sappi said on Thursday it had issued a notice to strike over failed wage talks.