Film commissioned by Juan Huarte which served to promote his industry, but which also gave Nestor Basterretxea and Jorge Oteiza the opportunity to experiment with cinematographic material as if it were sculptural. The final script of what was filmed is by Nestor Basterretxea, but it is known that Oteiza participated with various of the ideas (Jorge himself said the story of a screw should be told in this film) and he ended up in the credits as a sculptor in a film that explores the metaphor of the industrial methods of   production and distribution. It includes the participation of the musician, Luis de Pablo and the French filmmaker, Marcel Hanoun, the short film was presented at festivals and offers us another example of the tangential participation of Jorge Oteiza in a finished film, without being the author.