/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: OlegShevchenko3 https://cdn.slidesharecdn.com/profile-photo-OlegShevchenko3-48x48.jpg?cb=1658565829 Professional moto: Never doubt that a small group of thoughtful, committed people can change the world. Indeed it is the only thing that ever has. (Margaret Mead)