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Until 1990, the chemical industry of Romania was one of the largest in Eastern Europe as the country enjoys substantial natural reserves, namely salt, sulphur, potassium, oil and methane gas

There were several thematic areas: Energy Efficiency in Lighting; Vision and color; Technology and Methodology of Physical Measurements of Optical Radiation; Design and ergonomics in lighting technology; Lighting and signalling in transport; and others

LEDs are playing a leading role in the lighting industry, driven primarily by government incentive policies and consumer demand for more efficient light sources with advanced technologies