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Restoration of a wall with lime mortar in Haegendorf / 2008

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Low-tech hoisting technology in Ethiopia / 2008

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Val Cama / 2006 - 2007

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Training Posciavo GR 2006

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Civilian service assignment Verdabbio / 2006

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Lime rendering in Maloja /2005

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Ecole d'agriculture Châteauneuf, Sion

Introductory course in dry stone walling with examination for professionals from Valais

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Drystone masonry in Ethiopia / 2005

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Civilian Service Mission Isérables / 2004

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Drystone Training Puschlav GR / 2004

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