mill pulverizers for thermal iron ore plantmill pulverizers for thermal iron ore plant Operational Review for the year ended 30 June 2020 · BHP OPERATIONAL REVIEW FOR THE YEAR ENDED 30 JUNE 2020 Note All guidance is subject to further potential impacts from COVID 19 during the 2021 financial year · The commitment of our workforce our disciplined controls and financial strength has enabled us to continue to safely operate through