After the sampling is completed, pick up the elution tube, tear off the coating of the mouth of the elution tube,rapid self test  insert the swab after sampling into the sample eluent, rub and draw up and down the drawer 10 times or at least 30 seconds, and at the same time use your hands Squeeze…

KN95 mask is a sanitary product that can be worn on the nose and mouth to filter the air entering the nose and mouth, so that you can block the effects of harmful gases, odors, droplets and viruses. Masks have a filtering effect on the air entering the lungs, especially when respiratory infectious…

1. In order to make it more convenient for us to use, when installing the dish rack, we must consider the layout of the entire kitchen and the needs of our daily life, such as the position that can be easily reached when cooking, if not commonly used If there is a vacancy in the kitchen, it can be…