Handling (1) Employment (1) Prevention (1) Diseases (1) Accidents (1) Struggle (1) Statistics (1) Sports records (1) Spleen (1) Set-off and counterclaim (1) Occupations (1) Human beings (1) Industrial safety (1) Industrial arts (1) Building (1) Bread (1) Back (1) Athletic ability (1) Research (1) Relocation (1) Occupations (1) Health (1) Performance (1) Finishing (1) Materiales--Manejo (1) Salud (1) Bazo (1) Morbilidad (1) Investigación (1) Enfermedades (1)