Promethean Particles is resuming manufacturing at its UK site following the implementation of new safety measures to reduce the risk from COVID-19.   The company’s Nottingham site is home to the world’s largest multi-material nanomaterial plant of its kind.    In March, it closed its doors in line with government guidance and employees worked from home.   “After reviewing our operations to ensure the health and wellbeing of the Promethean team, customers, suppliers and our local comm...