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| Phase Diagrams - http://www.calphad.com/ Calculation of phase diagrams using the CALPHAD method. |
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| Gears and Gearing - http://www.gearinfo.com Learn all about gears. Read articles on different kinds of gears and gear technology. |
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| Easyphysics - http://www.easyphysics.co.uk Raise achievement in physics gcse exams.Online revision website for gcse science and additional science. Awarding body specific. |