Room walls, plastered with mortar from the PII group, covered with cork wallpaper. It is planned to cover the walls with textile wallpaper. Please list the necessary steps

These steps are as follows:

1) removal of cork wallpaper by soaking, detachment and detachment;
2) repairing small damages to the plaster using putty on a hydraulic binder;
3) primer painting with a plaster priming agent;
4) sticking textile wallpaper on special glue in proportion 1:20.

In the case of very thin textile wallpapers, make a base of recycled paper before applying the actual wallpaper. The underlay wallpaper should be glued with the same type of glue, what the right wallpaper. For some textile wallpapers, the manufacturer recommends a mixture of special glue and dispersion glue. The manufacturer's recommendations are binding here, which should be followed exactly.