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close this bookGATE - 3/94 - Management of Harmful Substances (GTZ GATE, 1994, 64 p.)
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Open this folder and view contentsPhasing out of harmful substances by ecological management of material flows
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View the documentGATE publications


A. Derrick, R. W. Barlow, B. McNelis, J. A. Gregory: Photovoltaics: A Market Overview.

James & James, London 1993. 126 pp., ISBN: 1873936- 19-2 dames & James Science Publishers, 5 Castle Road, London NW1 8PR, UK).

The photovoltaics market has expanded more than tenfold over the past decade. The technology offers millions of people living in remote sites throughout the world the chance of electricity for lighting, refrigeration and many other vital applications.

The book provides a comprehensive assessment of the current state of this market and lists individual profiles of almost 200 companies active in photovoltaics. The chapters in the beginning cover the evolution of the industry; module production, module destinations, applications markets; characteristics of international trade tariffs, classifications of products; prospects for the future and sources of further information.

Making Visible the Invisible

Joycelin Massiah (Ed.): Women in Developing Economies. Making Visible the Invisible.

Berg/UNESCO, Providence (USA)/Paris (France) 1993.300 pp. ISBN: 0-85496346-4, 02-3-102807-3. Berg Publishers, 221 Waterman Street, Providence, RI 02906,

USA or UNESCO, 7 Place de Fontenoy, 75700 Paris, France).

This book is a selection of studies and articles aimed to sentisise planners and decision-makers to the invisible socio-economic and cultural contribution of women in developing countries. Even after twenty years of debates about the invisible work of women, very little has been done to collect information, analyse its contribution to national economies, not to mention to give women adequate financial support or training.


David Harries and Bernhard Heer: Basic Blacksmithing. An introduction to Toolmaking with locally available materials.

ITP, London 1993. 127 pp. ISBN: 1-853339-195-6 (ITP, 103/105 Southampton Row, London WC 1B 4HH, UK).

The blacksmith plays a key role in making and repairing tools and other metal items which are needed in rural areas. Starting with only an anvil, a pair of bellows and a few basic tools, you can make almost all the tools you need to set up your own forge, as well as producing useful implements such as knives, sickles and axes.

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Tools and equipment, raw materials and their properties, and basic techniques including fire management and tempering are described to provide a sound basis for the illustrated, step-by-step instructions which follow. Where possible, more than one method of making an item is shown and suitable scrap material sources are listed. There is also a section on making the metal parts of carpentry tools.

All the designs are based on those used by rural blacksmiths. The book builds on traditional techniques and equipments to enable smiths to develop new skills using the resources available.

Jobs from Housing

Robin Spence, Jill Wells and Eric Dudley: Jobs from Housing. Employment, building materials, and enabling strategies for urban development.

ITP, London 1993. 104 pp. ISBN: 1-85339-212-X (ITP, 103/105 Southampton Row, London WC 1B 4HH, UK).

The book takes a look at the processes and the problems of income generation through housing. It examines the present state of housing, the expected future demand, and the processes by which housing is created. It considers the role of the building industry, the building materials producers and the informal sector in creating wealth through housing activity, and it identifies some ways in which governments and aid agencies can act to stimulate economic activity, create employment and remove current supply constraints in the availability of materials for building. Bearing in mind the increase in the world's urban population, this book focusses on the problems of urban housing as a special concern.

Food Systems under Stress

Ronnie Vernooy and Katherine M. Kealey: Food Systems under Stress in Africa. African-Canadian Research Cooperation. Proceedings of a Workshop held in Ottawa, Ontario, Canada, 7-8 November 1993.

International Development Research Centre (IDRC) Ottawa (Canada) 1994. 171 pp. ISBN: 0-88936-723-X (IRDC, P.O. Box 8500, Ottawa, ON, Canada K 1 G 3H9).

This publication brings together the papers presented and the discussion held during a seminar, organized by IDRC. The 2-day seminar brought together African and Canadian researchers and program staff from IDRC´s head and regional office to work on the questions of food security and natural resource management, especially in the fragile coregions of Africa.

L'aprrlte des Grains

M. de Lucia and D. Assennato: L'aprrlte des Grains, Organisation et techniques.

FAO, Rome 1992. 160 pp. ISBN: 92-5-203108- 1. (FAO, Viale delle Terme di Caracalla, 00100 Rome, Italy).

This manual gives a very practice-oriented overview on mechanization of all working steps of harvesting, storage and operating with grains, vegetables and oil-fruits. A lot of pictures show the different techniques and methods in this field. The book is suitable for extension workers, if they have already some experience in the above mentioned subjects.

Household Energy

HEP: Household Energy Programme. Short Project Description.

Deutsche Gesellschaft fhnische Zusammenarbeit (GTZ). Division 423.4 Agricultural Farm and Household Systems. GTZ: P.O. Box 5180, D-65726 Eschborn. Fax +496196797325.

This booklet summarizes in 10 chapters the essential aspects of technical cooperation projects promoting the rational use of traditional forms of household energy in developing countries ("Household Energy Projects") - the aim being to present a concise synopsis of the experience drawn from more than a decade of Technical Cooperation.

The Deutsche Gesellschaft fhnische Zusammenarbeit (GTZ) GmbH has, in the last 10 years developed successful strategies in the form of household energy projects which tackle these problems based on an interdisciplinary approach. The appropriate solution for a given situation is always based on a combination of measures taking the technical, sociocultural, political, economic and ecological aspects of the problem into account.

Projects devoted to promoting the rational use of traditional forms of energy aim to help both people in private households and institutional kitchens cook and bake more efficiently. They achieve that objective by concentrating their efforts on building up local private and public-sector capacities through training, advisory services and awareness-raising measures.

Each project is based on a participatory, multi-phase approach that is appropriate to the cultural and economic conditions in the project area and is generally carried out over a period of 10 years, with the help of nongovernmental organizations. This serves to promote self-help activities and ensures that the strategies initiated by the project will become self-sustaining.

Since 1982, the German Federal Ministry for Economic Cooperation and Development (BMZ) has sponsored 12 of such projects with a sum total of about DM 40 million. Four of those eleven projects together yield quantifiable economic benefits totalling DM 13 million a year.

The projects benefit women in particular due to the reduction of health hazards in the workplace and savings in time and effort that are normally spent on wood-gathering. The health and wellbeing of women and children are improved, as well as the environment.