/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: yonatanleitner https://public.slidesharecdn.com/v2/images/profile-picture.png I am head of a department for training guides & Instructors of climbing absieling (rappeling) and rope course instructors. http://www.r1-sa.co.il