Starting with the 1960s the city becomes a powerful industrial center; it develops the industry of machine and tools construction, planes, the chemical industry, food industry, easy industry, of construction materials, electro technical, extractive, energetic industry. The Romanian Revolution of 1989 led to important changes in economy, by realizing a free market and by decentralizing the management of all national economic sectors. A value for the property sense was reinstated by liberating the particular initiative and privatization of goods that belonged exclusively to the state.