How to Clear old Hazard Areas from Persistent Incident By Keith McGonigle Posted 04/12/2019 In Tutorial Slides How to Clear old Hazard Areas from Persistent Incident2019-12-042019-12-04https://campus.bruhn-newtech.com/wp-content/uploads/2019/05/logo.pngBruhn NewTech Campushttps://campus.bruhn-newtech.com/wp-content/uploads/2019/05/logo.png200px200px How to Clear old Hazard Areas from Persistent Incident Clear Hazard area Persistent incident Avoid displaying old hazard areas Procedures for avoiding display and transmission of hazard areas