/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: yahoocmm https://cdn.slidesharecdn.com/profile-photo-yahoocmm-48x48.jpg?cb=1522984551 such a nice question but sorry this is not question to ask to me but rather to explore it by doing theses or industrial training...