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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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The Society of Automotive Engineers (SAE) is the premiere world resource for the design, manufacturing, operation, and maintenance of automobiles, aircraft, space vehicles, off-highway equipment, trucks, buses, trains, marine craft, engines, and self...

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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...

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...