John Roche is a retired 3M employee who has dedicated his scientific knowledge to facilitating the adoption of solar cooking throughout the world. He is particularly knowledgable about plastic glazing materials.
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[mailto:jljroche@yahoo.com jljroche@yahoo.com] |
[mailto:jljroche@yahoo.com jljroche@yahoo.com] |
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[[Category:Minnesota|Roche]] |
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