Let's Look at Water

Let's Look at Water

Let's Look at Water


(6 de 35 utilisateurs)

0h 21m 1947 HD

let's look at water (1947) Gratuits en Français, streaming VF let's look at water 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.

Let's Look at Water (1947)
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