Let's Look at Water
Ver Peliculas "Let's Look at Water" 1947 Cuevana - This short documentary shows how a city's water supply is purified at a filtration plant. The complex system of the underground mains that supply all parts of the city with water is also illustrated, as is the safeguarding of water supplies on trains, ships and aircrafts.
Director: Harold Randall
Actores: Vincent Paquette
Producción: ONF | NFB
País: Canada
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