Ndezvipi zvakanakira N95 masks
N95 ndiyo yekutanga chiyero chakatsanangurwa neNational Institute of Occupational Safety and Health (NIOSH)."N" zvinoreva kuti "isina kufanira zvidimbu zvine mafuta" uye "95" zvinoreva chipingamupinyi kune 0.3 micron particles pasi peyedzo mamiriro anotsanangurwa muNIOSH standard.Chiyero chinofanira kunge chiri pamusoro pe95%.
Naizvozvo, N95 harisi iro zita rechigadzirwa, asi rinofanira kunge riri chiyero.Chero bedzi NIOSH ichiongorora uye kushandisa iyi yakajairwa mask, inogona kunzi "N95".
Masiki eN95 anowanzo kuve nemudziyo wevharuvhu wekufema unoratidzika semuromo wenguruve, saka N95 inowanzonzi "piggy mask".Muyedzo yekudzivirira yezvimedu pazasi PM2.5, kutapurirana kweN95 kuri kushoma pane 0.5%, zvinoreva kuti zvinopfuura 99% zvezvikamu zvakavharwa.
Naizvozvo, N95 masks inogona kushandiswa pakudzivirira kwekufema kwekufema, kusanganisira kudzivirira kwezvimwe zvidiki zvidiki (senge mavhairasi mabhakitiriya anoumba tuberculosis Bacillus anthracis), N95 hapana mubvunzo sefa yakanaka, mhedzisiro yekudzivirira mumasiki akajairika.
Nekudaro, kunyangwe iwo kudzivirira kweN95 kwakakwira mukuchengetedzwa kwemasiki akajairwa, kuchine zvimwe zvipimo zvekuita, izvo zvinoita kuti N95 masks dzisakodzere munhu wese, uye haisi yehupenzi dziviriro.
Chekutanga pane zvese, N95 haina kunaka mukufema uye kunyaradza, uye ine hombe yekufema inopikisa kana yakapfekwa.Hazvina kukodzera kune vanhu vakwegura vane zvirwere zvisingaperi zvekufema uye kukanganisa kwemoyo kwenguva yakareba kuti vadzivise kufema kunetseka.
Kechipiri, kana wakapfeka iyo N95 mask, iwe unofanirwa kuterera kusungirira mhino clip uye kuomesa shaya.Iyo mask uye kumeso zvinofanirwa kukwana padhuze kudzivirira zvimedu zvemumhepo kubva pakuyamwa mukati kuburikidza nemukaha uripo pakati pemask nechiso, asi nekuti chiso chemunhu wega chakasiyana zvakanyanya, kana mask isina kugadzirwa kuti ikwane kumeso kwemushandisi. , zvinogona kukonzera kuvunda.
Uye zvakare, N95 masks haigezeki, uye nguva yavo yekushandisa imaawa makumi mana kana mwedzi mumwe, saka mutengo wakakwira zvakanyanya kupfuura mamwe masiki.Naizvozvo, vatengi havagone kutenga N95 nehupofu nekuti ine dziviriro yakanaka.Paunenge uchitenga N95 masks, kutarisisa kwakazara kunofanirwa kupihwa kune chinangwa chekudzivirira uye akakosha mamiriro emushandisi.