Chili (1) Plumbing fixtures (1) Weights and measures (1) Schools (1) Political science--Decision making (1) Nursery schools (1) Measurement (1) Health (1) Families (1) Elementary schools (1) Dueling (1) Creation (1) Decisión política (1) Aparatos sanitarios (1) Salud (1) Escuelas primarias (1) Escuelas infantiles (1) Duelos (1) Creación (1) Pesos y medidas (1) Centros docentes (1) Medición (1) Familias (1) rondelle (1)