think of the chain starting out as a tube or drinking straw standing straight up. i also would recommend to bring some more food to survive the day properly. all customers are invited to read these general conditions carefully. never complain during your presentation, not about your project or about the conference. thanks so much for this wealth of knowledge. it is suggested though that you take a look at their offers especially low price may mean also low quality of service. and i have trouble understanding your comment somewhat. then the new hinges arrived and we re-mounted the door. 