3 open the door and lay single yarn on top of 0.8m; Single door with single yarn under 0.8m; 3 Open the door and spread yarn + pole on 0.8m; 0.8m lower yarn + pole; 3. Door opening 0.8m covered with yarn + pole + dustproof top; Single door 0.8m under yarn + pole + dustproof roof; 3 open the door and lay single yarn on top of 0.9m; Single door with single yarn under 0.9m; 3 Open the door and spread yarn + pole on 0.9m; Single door 0.9m under yarn + pole; 3 Doors open 0.9m with yarn + pole + dustproof top; Single door 0.9m under the yarn + pole + dustproof roof; 3 open the door and lay single yarn on top of 1.2m; Single door 1.2m under bunk single yarn; 3 Open the door and spread yarn + pole on 1.2m; Single door 1.2m under yarn + pole; 3 doors, 1.2m covered with yarn + pole + dustproof top; Single door 1.2m under yarn + pole + dustproof roof
