有多种消息表明，口罩在新冠病毒盛行的期间，拯救了很多人的生命，而关于口罩的争论却仍在继续发酵中。 There are many sources of news that masks have saved many lives during the epidemic of the new crown virus, but the debate about masks is still fermenting.凯医科技告知您，科学研究支持使用口罩来防控疫情。 Kaiyi Technology informs you that scientific research supports the use of masks to prevent and control the epidemic.

Kaiyi Technology tells you that recent studies have shown that masks can save lives in different ways: masks can not only reduce the chance of spreading the new crown virus, but also reduce the risk of infection.

一般来说，合格的口罩是无色的口罩，它是用纱布和无纺布来制成。 Generally speaking, qualified masks are colorless masks, which are made of gauze and non-woven fabrics.正规的口罩是未经化学处理，没有气味，而且透气性和可过滤性好。 The regular mask is not chemically treated, has no smell, and has good air permeability and filterability.通常都是安全干净的。 It is usually safe and clean.时尚彩色口罩是使用化纤的面料，其图案和颜色也可以用染料染色。 Fashion colored masks are fabrics made of chemical fibers, and their patterns and colors can also be dyed with dyes.部分彩色口罩内外颜色不同，透气性会比较差的。 Some colored masks have different colors inside and outside, and the air permeability will be relatively poor.

Kaiyi Technology tells you that cotton masks and activated carbon masks are not very useful for the prevention and control of the new crown epidemic. It is recommended to use particulate protective masks because their protective effects are relatively good. As far as the particles exist in the air, the barrier ability is good.

郭锡航先生建议我们平时买口罩的话，可以在正规医院和药店买是比较好的。 Mr. Guo Xihang suggested that if we usually buy masks, it is better to buy them at regular hospitals and pharmacies.凯医科技忠告：千万不要在路边摊买。 Kaiyi Technology Advice: Do not buy at roadside stalls.买的时候只看款式，但是您无视口罩了本身的功能。 You only look at the style when you buy it, but you ignore the function of the mask itself.不管是从事什么工作的，我们还是选择品牌面膜相对来说，会比较好哦。 No matter what kind of work we are engaged in, we still choose branded masks, which are relatively better.

To further strengthen one's own responsibility, if you have a fever, you should go to the fever clinic in time, and do not have too much contact with others, so as to avoid unnecessary infection.

Wearing a mask can effectively prevent and control the new crown epidemic. Please persist for a while. The editor believes that the dawn of victory is coming.