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  • Means of Transportation and Their Effect on the

    tions to met their own needs.At the time being,automotive industry is concentrating its efforts ... Means of Transportation and their Effect on the Environment 109

  • Noisy Office? 10 Tips to Help You Cope

    Noisy Office? 10 Tips to Help You Cope. ... Trying to concentrate in a noisy environment can be a ... noisy distractions can have a significant negative effect on ...

  • Concentrator photovoltaics Wikipedia

    Concentrator photovoltaics ... In a concentrating ... a system may be augmented with a switchable heat dump to the external environment in order to maintain ...