What are the requirements of the hotel kitchen door?

At present, the kitchen doors are relatively large, and some are 1.4 m or 2.4 m for sliding doors or 0.7 m to 0.8 m for single doors. The size of the door opening of the civil building: the entrance door is 900mm * 2050mm；; Interior door 800mm * 2050mm；; Kitchen and bathroom door 700mm*2050mm. The basic requirement for the kitchen is simple operation. Experts suggest that the clear width of the kitchen should not be less than 1.7 meters.