Kontaktní výroba kyseliny sírové

Polish educational cartoon about dinosaurs

A primer on proper phone manners produced for the New Zealand Post Office.

Developments in the Canadian forestry industry during the 1970s are shown being carried out both as lab experiments and in the field to protect and...

An animated short film that explains in a pedagogical way how the radio transmission works. Created by Czech filmmakers it was commissioned by...

The film features amazing scenes of places never before seen gathered by key space missions that culminated with groundbreaking discoveries in 2015....

The line between sexual consent and sexual coercion is not always as clear as it seems -- and according to Harry Brod, this is exactly why we should...

An educational document that clearly shows how the new collective method of building in the so-called "threes" can achieve an increase in labor...