Dave Sconda’s lesson – « TH » pronunciation Posté le 28 décembre 2009 de Toni G. Dave Sconda’s courtesy, please visit his website: www.englishmeeting.com
NASA QAT – Quiet A/C Technology Posté le 7 décembre 2008 de Toni G. NASA courtesy – Click on the link below to watch the video (+ script in the footer caption): NASA quiet aircraft technology