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wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual. Our multilingual how to manual has free step-by-step instructions on how to do all types of things.

Here you will find the answers to all things related to alternative energy sources like: solar energy, wind energy, geothermal, nuclear and so much more.

Instructables is the Biggest How To and DIY community where people make and share inspiring, entertaining, and useful projects, recipes, and hacks.

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Basic to Advanced Battery Information from Battery University

Android and Windows Mobile Developers - The Largest Community for Smartphone Hacks and Development of Apps

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Learn how to do just about everything at eHow. Expert Village is now a part of eHow, adding expert How To videos to eHow, the world

dotTech is a technology blog. We provide software reviews, advice, tips, tricks, freebies and more related to the digital world. We are also the unofficial homepage for reviews on the free giveaways provided by Giveaway of the Day (giveawayoftheday.c...

Clean Green Energy Zone is devoted to educating people about green and renewable energy options like solar power, wind power, biomass, hydrogen energy, and hydropower. Green energy can benefit not only the planet but also the individual.

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Cadex Electronics designs and manufactures battery analyzers, battery chargers for the following industries: wireless communications, medical, mobile computers, aviation and defense