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DuPont is a science-based products and services company. Founded in 1802, DuPont puts science to work by creating sustainable solutions essential to a better, safer, healthier life for people everywhere. Operating in more than 70 countries, DuPont of...

For the student or professional - famous inventors and inventions - history timelines - patents trademarks and copyrights - manufacturing resources - interviews with successful inventors - understanding the business of how to sell or license your new...

HowStuffWorks can answer your home and garden questions. Find explanations, reviews, opinions and prices on home and garden items at HowStuffWorks.

Dictionary.com - the largest and most trusted free online dictionary. Instantly look up accurate and extensive definitions and word meanings, and hear audio pronunciations.

AutoZone auto parts stores provide do-it-yourself car owners with auto parts, car accessories, and vehicle information in-store and online.

Definition of word from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.

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