WASHINGTON, 23 ga Oktoba, 2011 / PRNewswire-USNewswire / - A karo na farko a tarihi, Ma’aikatar Harkokin Wajen Amurka (DOS) tana nazarin dokokin duniya da za su hana kayayyakin da ke dauke da sinadarin mercury wadanda suka hada da azurfa / amalgam hakori, wanda ya kunshi kashi 50% mercury kuma sun riga sun kasance a cikin bakin fiye da 122 miliyan Amirkawa.
