[ Chinese wardrobe network ] One must be clean and proper maintenance, pay attention to the maintenance rules of different seasons and regions. Second, we must understand the structure, function, proper use and proper use of the purchased furniture to extend the service life of the furniture. Third, we must eliminate old furniture in time, avoiding the use of functionally ineffective furniture, causing physical discomfort; for example, the sofa is used for too long, and the resilience of sponges and springs is lost. When people are lying on the top, they will cause damage to the body and other parts of the body. It is best to keep the air in the 30-40 sky before use, and keep it ventilated to eliminate the residual odor in the surface coating of the furniture. In normal use, the air circulation should be properly maintained. The temperature is between 18-24 degrees Celsius, the relative humidity is between 35% and 40%, the air wind speed is 0.3m/s, and the fresh air volume is 30 cubic meters per person per hour. It is the ideal environment for human life and wood furniture. Pet Leashes,Telescopic Traction Rope For Large Dogs,Extendable Dog Lead,Flexi Retractable Dog Lead DongGuan Lucky Pet Products Co., Ltd. , https://www.dgpetproducts.com