David Amouyal was sentenced to ten years\' imprisonment today by a Tel Aviv District Court. He was convicted of three attempts, on the same day, to murder Arabs. A year ago, Amouyal entered a building in Rishon LeTzion and shot in all directions, hitting no one. He then drove to a restaurant in the same city and shot and wounded an Arab worker. Later that night, he went to an Arab bakery in Jaffa and shot an Arab there.