PFE rating indicates the percentage of particles larger than 1 micron filtered out by the face mask.
Surgical Masks and N95 Respirators Wondering why the names of most masks start with the alphabet N, as in N95 and N99? Secondly, the data universe continues to grow at double-digit growth rate making HDD devices still relevant due to its economic bulk storage capacity.
Hemşire Terliği hastane ortamlarında kullanıldıklarından dolayı hijyen rahatlık ve kolay temizleme özelliklerine sahip olması gerekmektedir.