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

Contracting Business is the leading business-to-business magazine for commercial, residential, and industrial contractors in the heating, ventilation, air conditioning and refrigeration industries.

WikiAnswers: Questions and Answers from the Community

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TSI Incorporated serves a global market by investigating, identifying and solving measurement problems. As an industry leader in the design and production of precision measurement instruments, TSI partners with research institutions and customers aro...

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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.

The #1 HVACR Community

Cole-Parmer provides a complete range of quality laboratory instruments, equipment and unmatched applications assistance for the biotech, research, and technical communities worldwide. Find the right instrumentation, equipment, chemicals, replacement...

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Providing researchers with access to millions of scientific documents from journals, books, series, protocols and reference works.

LEEDuser can help you navigate your building project through each of the 5 LEED 2009 rating systems: Existing Building Operations (EBOM), Core and Shell (CS), Commercial Interiors (CI), and New Construction (NC).