Medical airways are medical devices used to maintain an open airway in patients who are unable to breathe on their own. It is typically made of soft, flexible materials such as PVC or medical grade plastic, and is designed to be inserted into the patient's mouth and throat to prevent obstruction of the airway. Disposable medical airways are single-use devices that are discarded after each use to prevent the spread of infection. They are commonly used in emergency situations, during surgery, and in other medical procedures where maintaining a clear airway is crucial.
Oropharyngeal airway, nasopharyngeal airway, guedel airway, respiratory airway 2 MEDS TECHONOLOGY CO.,LTD , https://www.2-meds.com
Cleverly Using Wood Vinegar to Control Pests in Greenhouse Vegetables
In a long-term operation of vegetable greenhouses, a vegetable farmer in Daeyeong-cho, Tottori Prefecture, Japan has developed a set of properties that use liquid wood vinegar to make it easy to volatilize. The bottle of diluted wood vinegar is suspended in a greenhouse to prevent and control it. Practical Techniques for Pests and Diseases in Greenhouse Vegetables. The specific production method is as follows: First, prepare 1.25 liters of waste plastic bottles commonly used in daily life, wash and dry them, and cut 4-6 ports around the plastic bottles so that the liquid of wood vinegar can be volatilized. Then, according to the ratio of 1:5000, the stock solution was diluted with clean water and filled into a prepared 1.25-liter plastic bottle in units of 500 ml. Second, it is advisable to hang 6 bottles in a 60-meter-long greenhouse. That is, 1 bottle is hung in each corner of the greenhouse, and 2 bottles are hung in the center of the greenhouse. The practical technology adopted by the farmer has achieved good results in the spinach production in the greenhouse.
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