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Icon  Name                    Size  
[PARENTDIR] Parent Directory          -   
[TXT] AP-contents.html         35K  
[IMG] apperpen2.jpg           1.0K  
[DIR] circular/                 -   
[DIR] commun/                   -   
[DIR] dynamics/                 -   
[DIR] intro/                    -   
[DIR] optic/                    -   
[DIR] waves/                    -