2.Introduction to "Wallpaper"
2.1 Definition of "Wallpaper"
Noun: Paper that is pasted in vertical strips over the walls of a room to provide a decorative surface. (1)
In interior design: Wallpaper is a nonwoven (paper) or woven (fabric) backing, decoratively printed for application to walls of a residence or business. Wallpaper is not considered essential to the decoration of a structure; however, it has become a primary method by which to impart style, atmosphere, or color into a room. (2)
2.2 History of "Wallpaper"	
The earliest wallpapers used in Europe as early as the thirteenth century were painted with images of popular religious icons.This technique is used to add tactile details to the surface











4.4 Finishing (4)
o	Adding Protective Layer: A protective layer like vinyl is applied to make the wallpaper water-resistant and easy to clean.Wallpaper Layers
2.1 Surface Layer (Decorative Layer) (4)
o	Material: Can be made from paper, vinyl, fabric, or even natural materials like grasscloth.It serves both aesthetic and can have additional properties like being washable, scrubbable, or stain-resistant.(3)
 
3.4.5.