Humour, por Alfredo Martirena

The water: A big problem

Alfredo Martirena

Alternative mud bricks

 
© y ® Alfredo Martirena

E-Learning



 © y ® Alfredo Martirena

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Consultants

Peter Arndt
German
Social worker and Mechanical technician
German, English, Spanish
Project administration and management, social organization, mechanical innovation

Videos

Horno  Vertical Contínuo

Vertical Shaft Brick Kiln - VSBK unloading mechanism
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