Filtered by: Tools <Back to previous page Adding value through appropriate technologyMany women process food using traditional methods, which are often time-consuming. New technologies may improve processing, but are not always adopted, especially in rural areas. Although the technology seems appropriate to the people who design them (usually men), they are often not appropriate for the women who use them. Biosand filtersBiosand filters purify dirty water so that it becomes safe to drink. They are very useful, both in rural and urban areas which lack safe piped water. Calgary University, Canada, developed an innovative low-cost design using concrete. Food dryingDrying is one of the oldest methods of preserving food. Beans, cereals, meat and fish are commonly dried to preserve them. The drying of fruit and vegetables is less common but this technology is a very simple one and would greatly improve the variety in people’s diet. Tomatoes, herbs, mangoes and onions are examples of vegetables and fruit which can easily be dried and stored. Drying provides the opportunity for preserving good harvests instead of selling when market prices are low. Well ... Gelatine Tray Duplicator A lowcost copying systemLarge projects usually have duplicating machines or photocopiers when written material such as letters, booklets or notes needs to be copied. But small projects often lack funds for a duplicator. They are unable to copy written materials to help Homemade incubatorIn Benin recently, I came across this good idea for making an incubator for hatching chickens’, ducks’ or other poultry eggs. Homemade plant dyesThe cost and difficulty of obtaining synthetic dyes sometimes makes it impossible to make use of these for regular dyeing of material. If synthetic dyes are available their use is recommended, as they give good and permanent results. However, if synthetic dyes are not available it is possible to use home-made plant dyes. You can dye natural materials like cotton and wool with home-made dyes.