Generally, mosquito nets in our households refer to synthetic mosquito nets, mainly referring to polyester, nylon, vinylon and polypropylene mosquito nets. Wash the mosquito net, first soak it in water for 2-3 minutes, wash off the surface dust, then use 2-3 tablespoons of washing powder, put it in a basin filled with cold water, dissolve it, put it into the mosquito net, soak for 15-20 minutes. Gently rubbed by hand. Do not use hot water to heat, otherwise it will be deformed, rinse with water, and hang in a ventilated place to dry. Wash the mosquito nets, use plastic bags or cloth to stack them together and store them separately. Do not put the hygiene balls. If they are mixed with other clothes, the health balls are wrapped in white paper and placed in the corners of the cabinet. Contact with synthetic mosquito nets. Otherwise, the strength will be reduced and stains will appear.
The use of diamond cord core drill bits must be done step by step according to the requirements of the onion, not to be rushed, and the drill tool assembly, deployment, and maintenance must be done well.
The characteristics of rope core drill pipe are "three highs and one low", that is, high drilling speed, long life of diamond bit, high time utilization rate, low labor intensity of workers, so it is widely used in geological prospecting, coal field exploration and other fields. Among the whole set of drilling tools, the most important and most valuable is the drill pipe. The quality of the drill pipe is directly related to the use of the advantages of rope core drilling, and is also vital to the accurate acquisition of geological data and the control of drilling costs.
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