Night mode
Активирайте своя БЕЗПЛАТЕН акаунт!

Нашата библиотека за филми и видео може да се предава или изтегля само от членове

Продължете да гледате БЕЗПЛАТНО ➞

Регистрирането отнема по-малко от 1 минута, след което можете да се насладите на неограничени филми и телевизионни заглавия.

00:00:00 / 00:21:00

Let's Look at Water 1947 Безплатен неограничен достъп

Let's Look at Water 1947 Безплатен неограничен достъп

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.

Времетраене: 21 минути

Качество: HD

Пуснете: Jan 01, 1947

Страна: Canada

Език: English

Предавайте поточно хиляди филми и телевизионни предавания безплатно.
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