There are different types of masks to protect the body, including surgical or cloth masks, N95 mask, N99 mask, N100 mask, P95 and R95 masks. Dr Vikas Mittal, Pulmonologist, Department of Respiratory ...
There are different types of masks, including: Cloth masks Disposable surgical masks KN95s N95s, which are respirators Cloth masks are less protective than KN95s and N95s, which are the most ...
Software design patterns are general reusable solutions to problems which occur over and over again in object-oriented design enviroment. It is not a finished design that can be transformed into ...
Face masks can help stop the spread of the coronavirus, but they have to be clean. Here is the correct way to sanitize your mask. Face masks can help stop the spread of the coronavirus, but they have ...
The ordinary surgical masks are not effective, don't fit snugly and are not going to filter PM2.5. The dupattas, scarves and the handkerchiefs don't work. The double layered cloth masks will only ...