Colombie (1) Programs (1) Labor (1) Employees (1) Weights and measures (1) Time (1) Pesticides (1) Methodology (1) Insecticides (1) Industrial hygiene (1) Hygiene (1) Health (1) Fumigation (1) Farmers (1) Attention (1) Absorption (1) Programas (1) Semana (1) Cantidad (1) Fumigación (1) Seguridad (1) Factores (1) Agricultores (1) Salud (1) Ropa (1) Estudio (1) Atención (1) Insecticidas (1) Pesticidas (1) Pesos y medidas (1)