The plant for floor tiles in Montana, Ceramic Invest LTD, has stopped working because of the global economic crisis. About 300 workers went on leave, announced the Executive director of the company Radoslav Dimitrov. He expects the production to be restored in March 2009. The former factory Podova Keramika was privatized by Ceramic Invest 10 years ago. Since then, the work has never been stopped for more than 30-40 days.