Factbox-What do we know about Indonesia's radioactive contamination?

JAKARTA (Reuters) -Indonesia has detected radioactive contamination at a sprawling industrial zone near the capital Jakarta, found to have high levels of Caesium-137 (Cs-137), a manmade radionuclide. Indonesia's environment minister now says the contamination was found in about 10 locations at the Modern Cikande Industrial Estate, host to various industries. - Cs-137 is used in medical devices and gauges, the U.S. Centers for Disease Control and Prevention say.