README-en.md edited online with Bitbucket

README-en.md

 
 3. Studied the concepts and instructions for the laboratory session.
 
-4. Taken the Pre-Lab quiz that is found in Moodle.
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-5. Visit the following Facebook page to see how the green technology is used in some Hollywood movies: https://www.facebook.com/video.php?v=920387528037801
+4. Visited the following Facebook page to see how the green technology is used in some Hollywood movies: https://www.facebook.com/video.php?v=920387528037801
 
+5. Taken the Pre-Lab quiz that is found in Moodle.
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