Hazards associated with using farm tractors to move large bales.
D000062:Accidents, Occupational / Q000401:mortality / Q000517:prevention & control / Q000706:statistics & numerical data*; D000383:Agriculture / Q000295:instrumentation*; D000821:Animal Feed; D004869:Equipment Safety; D017408:Guidelines as Topic; D006801:Humans; D009314:National Institute for Occupational Safety and Health, U.S.; D016272:Occupational Health; D014481:United States