فيلم Let's Look at Water 1947 مترجم اون لاين
التصنيففيلم
السنة1947
المدة21 د
الأنواعوثائقي
القصة
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.
طاقم العمل
V
Vincent Paquette
Narrator
