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#[[How to Build the ARTI Compact Biogas Digestor]] #[[How to Build the Vacvina Biogas Digestor]]

...he genus including the cacao species. The Aztecs also considered the drink to have aphrodisiac properties. * Rainfall levels of 1,150 to 3,000mm are required.

=Solar Drying - Technical Brief= *'''How Many people?'''

Food usually dried close to the home Open to contamination by dust

*'''How Many people?''' Up to 5 people ...rom badly harvested materials. Correct harvesting techniques could be said to be the most important factor in the production of a high quality final prod

...ns: to prevent (or inhibit) microorganisms and hence preserve the food and to reduce the weight and bulk of food for cheaper transport and storage. ...ing humidity (or RH) the most useful is a ratio of the water vapour in air to air which is fully saturated with water. So 0% RH is completely dry air and

...They sell the raw cashew to the women who decorticate them and bring them to the mudalali for ovening. ...es some wastage in the drying process. These features make it uneconomical to micro scale cashew processors¹.<br />