Practical Answers

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  Mushroom Production for Sustainable Livelihoods

  This manual is a culmination of Practical Action Southern Africa's work in Chakohwa. The project worked with the Chakohwa Community-Based Organisation (CCBO) in Chimanimani District of Manicaland province. The aim of the project was to provide income earning opportunities for HIV and aids orphans an...

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  Low-Cost Civil works for Micro-Hydro Schemes

  Civil works can suffer from cracking and significant scour damage. This document looks at some of the approaches that were taken to combat these problems in hydro schemes in the Cajamarca region of Peru.

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  Extrusion of Foods

  There are two types of extrusion process: cold extrusion, which mixes and shapes foods such as biscuit dough and pasta without cooking them; and hot extrusion (or extrusion cooking).

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  How to Make Sausages

  A wide variety of sausages are produced in countries throughout the world. Most are produced from meat (especially pork and beef) but in some countries, fish sausages are also popular. Vegetarian and vegan sausages are available in some countries, made from tofu, nuts, pulses, mycoprotein, soy...

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  Cable Selection in Small Off-grid Solar energy Installations

  Ideally, voltage drop in a solar energy installation should be

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  What is Appropriate Technology?

  Technology: choice or compromise?

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  Solar Photovoltaic Water Pumping

  The advantages and disadvantages of solar water pumping are outlined in this document.

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  Natural resource management and the importance of gender

  Taking into account the different roles and responsibilities of men and women is critical to the sustainable management of natural resources as well as the success of NRM policies and programmes. We need to be aware that NRM programmes may affect women and men differently due to their rights, roles...

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  Rainwater Harvesting During Reconstruction

  Overview of rainwater harvesting technologies and how they can be considered in the reconstruction process.

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  Water Supply During Emergencies

  Overview of options for water supply in an emergency context, with relation to people-centred reconstruction principles.