The distance between the dining room window glass and the wall is generally about one meter, so it should be a window or about 1.8 meters. Requirements for walls, doors and windows of catering industry:

1. The walls of food processing areas should be made of light-colored materials that are nontoxic, odorless, impervious, difficult to scale, and smooth.

2, rough machining, cutting and matching, cooking, tableware cleaning and disinfection and other places that need frequent washing and places that are easy to be wet, there should be dado made of light color, non-absorbent, easy to clean and durable materials, and dado of various special rooms should be laid to the top of the wall 1.5m