/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: GiovanniGagliano https://cdn.slidesharecdn.com/profile-photo-GiovanniGagliano-48x48.jpg?cb=1710090138 Su di me... sono un Operatore Tecnico Subacqueo e istruttore Cmas - PTA (corsi ricreativi e tecnici), sempre in acqua... About me...I am a Commercial Diver and Cmas - PTA instructor(recreational and technical courses), always in water...