title: Issues in system design.
authors.affiliation: Safety Systems Division, SICK Inc., Minneapolis, USA.
authors.forename: Steve
authors.initials: S
authors.lastname: Freedman
mesh_terms: D004867:Equipment Design; D004869:Equipment Safety / Q000379:methods*; D006801:Humans; D016272:Occupational Health; D014481:United States; D014947:Wounds and Injuries / Q000517:prevention & control