These are Shell Book titles in English relating to information and education.
Water Pumps - human-powered for domestic and community use.
Water Pumps - human and animal powered for irrigation.
Hydraulic ram water pumps. This book explains how hydraulic ram pumps (hydrams) work and how to install and use them.
Solar-Powered water pumps: fresh water brought to you by the sun.
This book covers the three main ways of mitigating the impact of rubbish on our environment, by reducing, reusing, recycling. It also warns against careless disposal of hazardous waste.
This book describes the use of household rubbish pits and a community waste collection service.