Kodi ndiyo zimene zigawo mwa maso a akulu, idaya iyi ndi . Izi ndi maska zosavuta ndipo izi zikhala kusafotokoza ndi kuti zizindikire mbeu yezo zimodzi zizomweziyanthauza kupita ndi mphamvu ndi mphamvu. Zimenezi zinachokera pa maska zinafunsira kukhazikitsa nthawi yokha ndipo ithenga inayankhula ndiyo ndiyo inayankhula. Izizozi zinali ndi zotsatira ndi anthu onse osadzatha ndi mphamvu ndi mphamvu — pakuti ndi daktari, nzeru ndi anayambutsa mu hospitali, amene anaonekera ndi amene anaonetsa makhalidwe.
Mphamvu wa Chifukwa – Mzaka wosangalatsa mask za dust ndi kuchepa ndi ndimeyi za kusintha ndi mphamvu zosintha nkhani yoterekeza Chiyembekezo chimene chinachepa kuti usinthe ndiwe ndi kukhala ukugula ndi mtundu woyamba ndipo uzidziwa mask chake pamodzi ndi mtundu woyamba. N95 ndi N99 ndi amasokoni adayenera a masks za respirator N95 mask ndi widye wochuluka ndi amaphepo ahealth care workers aya anthu onse, ndi dokita, mowa ndi akufuna mphamvu yokha ndi maso aya pansi. N99 mask, pakati panthu, ndi widye wochuluka ndi mitengo ya kuwoneka ndi makhalidwe ambiri ambiri ambiri ambiri ambiri ambiri ambiri ambiri ambiri ambiri ambiri ambiri ambiri ambiri ambiri ambiri.
Mwamuna wofukidwa ndi mphete zosavuta ndi zophambuka pa awo awiri, COVID-19 inayenera kuti kusintha ndipo kuphika chifukwa cha mphamvu ndi mphamvu ndi mtundu wa mphamvu. Ndipo mawu ayo amene adziyedwe ndi N95 ndi zakuwiri zimayenera kukoma ndi kuoneka mwamuna wophambuka ndi COVID-19. Mask ya dust respirator mask ndi valve ya kugulitsa ndi carbon ya activated cycling anti virus pollution filter breathing image Zimakulu zakumva mwamuna kuti azindikire ndi mphete zomphamvu ndipo akufotokoze kuti akuphere mphete. Ndipo ndi mphamvu wokuonetsa ndi mask ya kugulitsa, makamili angati ndi kuphunzira ndi anthu onse.
Ndipo pakuti udzi kusintha kupita maska ya respirator, usangalitsani kuti ulime mtundu wake. Mtundu yomwe yakhalidwa ndiye imeneyi akhale ndi zimene zinalibeza maska idayidwa. Zotsatira ndiyo zimakhala ndi National Institute for Occupational Safety and Health kukhazikitsa ndimeko za masanganiso a safeti. Zotsatira zizindikadwa ndi: N (non-oil proof), R (oil resistant ), P (oil proof ). Pakati pa classification padzulu, maska idayidwa ndi ufulu wosafatsa kuwona ndi madazi adayidwa. M'mene wozeretsa mtundu, osangalitsa kuti uzidzi khazikitsa ndimeko la kulanduluka ndi maska yanu chifukwa chinthu chimodzi chachitsepa chiyembekezo choncho chofuna.
Makhalidwe wa mphero ya facemask ndi zotsatira ndi zophunzitsa. Acoal miners a 1800s, pakati panu, adziwadza maphalo a cloth akumva mwa wire pamaso pathu kuyamba kupita mphamvu wa makono angawo anthu anayenera kuchepetsa lung amapindutsa coal dust ndiyo akufotokoza magulu yakuwanjirani. Zimodzi za makhalidwe ophunzidwe ndi zosavuta zakhale ndi zophunzitsa mask ambiri ndi zophunzitsa zakuweranso kuyamba kupita mphamvu wa anthu aonane kapena aphunzidwe ndi mphamvu. Gas masks ndiwo wophunzitsa soldiers kuti akhale ndi mphamvu wa chemical during warfare since the turn of 20th-century. Chilengedwe cha mphero chake chinali ndi mphamvu wokonzera. Mphero ya respirator ndiyo ankachepetsa ndi models amene amalungulira ndiyo anayenera kuchepetsa anthu ndi mphamvu wa environments ambiri, including on construction sites, in chemical factories ndi hospitals.
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