What is the standard of water consumption in the kitchen of the hotel?

It is required to use qualified low-alkali cement and alkali-resistant glass fiber mesh cloth to ensure the product quality of the exhaust flue.

Sofa sponge hardness standard: High-grade sofa cushions should be used with a density of one cubic meter per 30 kg.

The thickness of the door, the reputation of the sleeve refers to 3cm, the country issued the "Interior Door Standard" with reference to the "Residential Design Code" the year before last, which clearly stipulates that the thickness of the door is greater than or equal to 3cm, and the thickness of the door sleeve is greater than or equal to 3cm. Haomen wooden door is the first demonstration and leading enterprise of this standard in China. However, there are still many manufacturers who do not meet the standards in the regulations, so as to save costs, and the regular enterprises are larger than the thick door, and the thickness of the sleeve board should be greatly balanced at 3cm.

According to the national mandatory standard, after closing the doors and windows for 1 hour, the formaldehyde emission per cubic meter of indoor air shall not be greater than milligrams; If it reaches milligrams, 50% of normal people can smell the odor; When it reaches milligrams, the eyes and trachea will be strongly irritated, and symptoms such as sneezing and coughing will appear; up to 10 mg or more, difficulty breathing; Reaching more than 50 mg can cause critical illness such as pneumonia and even death.

The European E1 level environmental protection standard is: formaldehyde content 9mg level, and the environmental protection standard is: formaldehyde content 3mg 100gHowever, according to China's current E0 environmental protection standard, the formaldehyde content of 5mg grade is 15mg 100g >>>More