Medical Mask is a kind of hygiene product. It is generally worn on the mouth and nose to filter the air entering the mouth and nose to block harmful gases, odors, droplets, viruses and other substances. It is made of gauze or paper and other materials. .
The Disposable Medical Mask has a certain filtering effect on the air entering the lungs. Wearing a mask has a very good effect when working in a polluted environment such as dust when respiratory infectious diseases are prevalent. Masks can be divided into 3 Ply Disposable Masks and air-supplied masks.
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The dry method is to pour the fresh chestnut into boiling water and cook for 5-10 minutes, or dip the chestnut in cold water for one week, then remove it and let it dry (in order to shake it), then put it in a ventilated and dry place, usually every other time. Take out the sun once a month, this can be stored for one year. The chestnuts stored after drying are placed in plastic bags and placed in a well-ventilated area. If the temperature is above 10°C, the plastic bags can be opened and the chestnuts in the bags can be sowed every 10-15 days. Move once and remove corruption. This can be stored for more than 3 months.
The altar method places the chestnut in clean, dry, fine-pit jars, and when it is filled to 80 percent, the altar mouth is closed with straw, and then the altar mouth is turned down and placed on a dry floor.
Humidity method takes the same volume of sawdust as that of chestnut, and adds moisture to make the moisture content of sawdust reach about 50%. Then it is mixed with chestnut and placed in a wooden box, above the wooden box, and then covered with wood chips 7-10 cm thick. Place the box in a cool, ventilated place.
The sand trap method is to select a room with good ventilation, level the ground, and lay a layer of 5 cm thick river sand. The humidity of the sand and sand is better to feel wet and damp. Then, a layer of chestnut is used to stack the layers. However, it cannot be piled thick. Finally, a layer of sand can be covered on the surface and around it. The cellaring method selects dry ground and well-ventilated grounds for digging holes. The dried chestnuts are loaded with bamboo rafts, layered in holes, and often sprayed with water to maintain a certain humidity, so that they can be stored for more than six months. Refrigeration method is conditional, the chestnut can be placed in the refrigerator (more than) or in the refrigerator (small amount) storage. Keep the temperature in the freezer or refrigerator at 1-4 °C. In this way, it can be stored for more than one year.
Method for storing chestnut
In the chestnut harvest season, the author introduced several simple storage methods.