If N95 masks are not available, the CDC recommends using a well-fitting mask made of at least two layers of breathable fabric. 3M is the largest manufacturer of N95 masks in the United States.

Federal officials still wanted to reserve surgical masks and N95 masks for frontline health care workers. States then began introducing requirements that individuals wear face coverings in public.

For yard work, the BASE CAMP M Pro offers 99.6% filtration with its 6-layer FFP2 filter, blocking dust, pollen, and fumes ...

When cleaning up debris after a home or business has burned due to wildfire, wearing proper protective gear is essential to ...

Each ncnn layer allows a special parameter pair 31=X to control specific bahavior. X is an unsigned integer with each bit contributing a feature mask. We usually use it to configuring fine-graded ...

In community settings, any mask use is protective during epidemics, especially if used early, when combined with hand hygiene, and if wearers are compliant. Community use of N95 respirators is more ...

After the fires in Los Angeles, residents are pushing for their homes to be rebuilt quickly. But toxic ash and fumes threaten ...