Diego Coloma

Diego Coloma
Diego Coloma MachadoEcuadorean
Mechanic technician
Spanish, english
Installation, training and setup of workshops: MicroConcrete Roofing tiles, Puzzolanic cement, concrete precasts.
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Consultants

Pedro Seijo
Cuban
Professor of Civil Engineering
Spanish, English
Teaching, ecomaterials workshop management, research (municipal waste)

Videos

Inodoro seco
Otji toilet - In english, spanish subtitles
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