CLEAN : Crashed Pakistani plane was sound: airline chairman

The video discusses various topics including Virginia Beach, investigations, technical issues, communication methods, civil aviation, and certification. It highlights the importance of proper investigation and the role of international agencies in addressing technical problems. The video concludes with a summary of the key points discussed.

Explain the context of the phrase 'proper investigation holding the fish.'

What does the mention of 'Testosterone 16' imply in the discussion?