At present, most cases of VOVID-19 are transmitted indoors, and these infected people inhale particles containing viruses in the air. In order to prevent the virus from spreading at home or in the workplace, it is best not to let the virus enter our living and working areas.
The epidemic in China has been brought under control, but it does not mean that it is absolutely safe.We must not only prevent new local cases, but also strictly prevent and control the import of overseas cases. Our mission remains important and lasting.
The heart is one of the most important human organs. If the various organs of the body want to function normally, they need to rely on the blood circulatory system to provide oxygen and nutrients, and the power of the circulatory system comes from the heart.
Melt-blown cloth uses high-speed hot air flow to draw the thin stream of polymer melt extruded from the orifice of the die, thereby forming ultra-fine fibers and collecting them on the mesh curtain or drum, and at the same time bonding themselves to become Melt-blown non-woven fabric.
The meltblown cloth filter material is randomly distributed and bonded together by polypropylene superfine fibers.
Based on available evidence, the risk of COVID-19 in children does not seem to be as high as in adults. But it is undeniable that children’s immunity is low, and children are still the focus of attention in families and schools.