United states Fencing opened an investigation in March into “potential bout manipulation” in saber fights following issues that supposedly biased refereeing might have impacted qualification for that Olympics. It stated in April that two referees were suspended, but there was “no proof that individual U.S. fencers were being actively involved https://www.primalmagazine.co.uk/dust-suppression-on-construction-sites-essential-practices-for-reducing-construction-dust/