The best air purifiers for asthma in 2025, according to experts
That tracks with a 2018 study, which found that air purifiers improved the indoor air of patients with asthma. The Journal of ...
Black, White, Blue or green…. what is the meaning of different colours of caps of water bottles?
A green cap on a water bottle means that flavors have been added to the water. If the water bottle has a white colored lid, it means that the water has been purified (processed) by machine and if the ...