Commission Implementing Decision (EU) 2021/395 of 4 March 2021 amending Implementing Decision (EU) 2020/668 as regards harmonised standards on electrostatic properties of protective clothing, protective clothing for firefighters and motorcycle riders, protective clothing for use in snowboarding and worn by operators applying pesticides and for re-entry workers, enhanced visibility equipment for medium risk situations, mountaineering equipment and protective clothing against the thermal hazards of an electric arc