In 1949, the government was forced to devalue the pound which although gave cheaper exports it left a bitter taste for voters. Nationalisation of coal mining, railways, road haulage, canals, and cable and wireless (1947), followed by electricity and gas (1948) and steel industry (1951). By 1951 about 20% of the economy had been taken into public ownership allowing significant material gains for workers in the form of higher wages, reduced working hours, and improvements in safe work conditions.