Technical Information Online

Practical Answers online material is presented under a number of subject topics and sub-topics listed on this page. Information presented by Practical Action is focused small-scale appropriate technology aimed at improving access to infrastructure and enterprise development for people living in poverty.

You are welcome to select a topic from the list below or browse the technology themes on the left hand column. You can then download the material, write reviews on the documents or send comments.

Technology Themes

• Adaptation to climate change
• Agriculture
  • Agro Business
  • Animal Husbandry and Beekeeping
  • Cultivation
  • Fish Farming and Aquaculture
  • Seed Fairs and Storage
  • Soil Fertility and Composting
  • Water Collection and Irrigation
• Construction
  • Building Design
  • Cement and Binders
  • Clay Bricks
  • Earth Construction
  • Roofing
  • Stone Construction
• Crop and food processing
  • Dairy
  • Drying
  • Fruit and Vegetables
  • Herbs and Spices
  • Honey and Sugar
  • Juices and Drinks
  • Legumes, Beans and Grains
  • Nut Processing and Oil Products
  • Packaging and Bottling
  • Pickles and Vinegars
  • Preserves
  • Snack Foods
• Disaster mitigation and rebuilding
  • Emergency relief
  • Mitigation
  • Reconstruction
• Energy
  • Electricity
  • Fuels and Engines
  • Hydro Power
  • Solar Energy
  • Stoves and Ovens
  • Wind Power
• Information and communication
  • Knowledge Management
  • Traditional Communication
• Manufacturing
  • Metalworking
  • Pottery and ceramics
  • Textiles
  • Wood & Bamboo
• Mining and minerals
• Natural resource management
• Transport
• Waste and recycling
• Water and sanitation
  • Rainwater Harvesting
  • Sanitation
  • Water Pumping and Drilling
  • Water Treatments

Media types

• Engineering drawings
• Videos
• Multimedia