ˈThe westerners have claimed that the sanctions, pressures and threats against Iran have pursued a halt in Iranˈs nuclear activities, but we seek now that there are more than 19,000 active centrifuges in the country and Arak heavy water reactor has also been finalized and its reactor is active,ˈ Aboutorabifard said, addressing a group of government directors in the city of Rafsanjan on Thursday.