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Tools and Basic Information for Design, Engineering and Construction of Technical Applications

CSGNetwork Free Information. Calculators, Converters, Glossary, Open Source Code... find something. Most pages require JavaScript.

The Calculator Home Page has free resources, calculator software downloads, calculate online, units conversions, physical properties and constants, and help.

ASTM International develops international standards for materials, products, systems and services used in construction, manufacturing and transportation. ASTM standard specifications and test methods define uniform requirements and procedures.

WikiAnswers: Questions and Answers from the Community

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia e...

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Chemistry is the study of matter and energy and the interactions between them. Get facts for the elements in the periodic table. Find chemistry demonstrations and experiments and science fair projects. Get chemistry homework help with worked example ...

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