3.2002.3512: Industrial Problems, Prevention of Accidents: United States. Massachusetts. Boston. Educational Posters: D: Safety First: Do you know that 98 per cent of accidents are avoidable? You should do your share toward helping reduce accidents. By using caution in getting on and off cars and in crossing the streets you CAN and WILL prevent injury. Injuries are wasteful, costly, and sometimes fatal.: It Pays to be Careful.