Chigoba chosefa theka (8228V-2 FFP2)
Kapangidwe kazinthu
Chosanjikiza pamwamba ndi 45g yosalukidwa nsalu.Gawo lachiwiri ndi 45g FFP2 zosefera.Mkati mwake ndi thonje la acupuncture la 220g.
Ubwino wa masks okhala ndi ma valve opumira ndi chiyani?
Valavu yopumira ya chigoba ndi yoyenera kumalo otentha kwambiri.Zidzakhala zopumira kwambiri potulutsa mpweya, ndipo valavu yopumira mpweya imatseka yokha, zomwe sizingakhudze kugwiritsa ntchito konse.
Poyerekeza ndi masks amaso wamba, masks okhala ndi mavavu opumira ndi oyenera malo ogwiritsira ntchito movutikira komanso amathandiza kwambiri kupuma kwa anthu.M'malo ogwirira ntchito achinyezi komanso otentha omwe mulibe mpweya wabwino kapena kuchuluka kwa ntchito, kugwiritsa ntchito chigoba chokhala ndi valavu yopumira kungakuthandizeni kukhala omasuka mukatulutsa mpweya.
Mfundo yogwira ntchito ya valavu yopumira ndi yakuti kupanikizika kwabwino kwa mpweya wotulutsidwa kumawombera mbale ya valve yotseguka pamene ikutulutsa mpweya, kuti muthe mwamsanga kuchotsa mpweya wonyansa m'thupi ndi kuchepetsa kutentha ndi kutentha pamene mukugwiritsa ntchito chigoba.Kupanikizika koyipa pakukoka kumangotseka valavu kuti musapume zowononga kuchokera kumadera akunja.
Kumaso chigoba ndi acupuncture thonje
Thonje la Acupuncture limatchedwanso singano nkhonya kupanga thonje mu makampani otaya fumbi kumaso.Thonje wokhomeredwa ndi singano wa chigoba ndi mtundu wa zinthu za chigoba zopangidwa ndi kufunikira.Imatchedwanso chigoba chotsimikizira fumbi pambuyo pophatikizidwa ndi maski processing.Thonje wokhomeredwa ndi singano wa chigoba ndi mtundu wa zinthu zosefera, zomwe zimapangidwa ndi ulusi wa poliyesitala pokhomerera singano.Mukudutsa muzosefera izi, fumbi lopumira lidzalowetsedwa pakati pa ulusi, womwe umathandizira kupewa fumbi.
Masks a thonje okhomeredwa ndi singano ndi oyenera migodi, zomangamanga, zoyambira, kugaya ndi mafakitale ogulitsa mankhwala, ulimi ndi ulimi wamaluwa, nkhalango ndi kuweta nyama, uinjiniya wa subway, ntchito ya aluminiyamu, zida zamagetsi ndi zamagetsi, zida ndi zida, mafakitale opanga chakudya, chomera cha simenti, chomangira nsalu, chida ndi hardware chomera, pepala zitsulo akupera, kupukuta, kudula, disassembly engineering, kuphwanya ntchito.Amatha kuteteza zitsulo zosakhala ndi chitsulo, zitsulo zolemera ndi zowononga zina, ndikutchinga magalasi CHIKWANGWANI Asbestosi ndi zinthu zina zovulaza.
Kusiyana kwapakatikati ndi njira imodzi yoyesera yowunikira chigoba.
Njira yoyesera - Kusiyana kwapakatikati
Kusiyana kwa kuthamanga, kapena kutsika kwamphamvu, kumawonetsa momwe kulili kosavuta kupuma kudzera muzosefera.Kusiyanitsa kwapanikiziko nthawi zambiri kumatsimikiziridwa poyesa kuthamanga kwa mpweya mbali zonse za zosefera pomwe mpweya umayenda pa liwiro lodziwika kudzera muzosefera.Kusiyanitsa kwapanikizi ndiko kusiyana pakati pa kukakamiza kwa mpweya kuwiri.Kusiyana kwapang'onopang'ono kumatanthauza kuti mpweya umadutsa mosavuta muzosefera, zomwe zimapangitsa kuti zikhale zosavuta kupuma.Pakuwunika koyeserera, kuchepetsa kuthamanga kwa mpweya kumachepetsa kusiyanasiyana kwa kuthamanga ndipo kukulitsa makulidwe a zinthu zosefera kumawonjezera kusiyana kwa kuthamanga.
Kusiyana kwapanikiziko kumanenedwa m'mayunitsi a pascal (Pa) (1.0 Pa = 0.102 mmH2O).Miyezo ina yosiyanitsa ya masks opangira opaleshoni imagwiritsa ntchito Pa/cm2, yomwe ilibe tanthauzo lenileni.Mayeserowa, komabe, amatchulanso malo a chigoba choyesedwa, kotero kuti mfundozo zachulukitsidwa ndi malo omwe amayesedwa kuti apeze gawo lofunikira pathupi, Pa.
EN 149:2001
Ku Europe, zopumira zosefera za nkhope ziyenera kukhala ndi mawonekedwe a EN 149: 2001 (+ A1: 2009), omwe amalamula kuti masks awa, mwa zina, akhale ndi mawonekedwe apadera a kupuma, kutulutsa mkati, kuyaka, kudzikundikira kwa CO2. , ndi zina. Muyezo wa EN 149:2001 (+ A1: 2009) umafuna kuti mphamvu zosefera za masks ziyesedwe ndi aerosol ya tinthu ta NaCl tokhala ndi mainchesi ogawa pakati pa 0.06 ndi 0.10 μm komanso ndi aerosol ya tinthu ting'onoting'ono ta parafini. mafuta okhala ndi gawo lapakati pakati pa 0,29 ndi 0.45 μm;palibe kuyeserera kwa kusefera kwa bakiteriya komwe kumafunsidwa.Kutengera mphamvu zawo zosefera, zopumira zosefera zamtundu wa FFP1 (zosefera za NaCl aerosol ndi mafuta a parafini ofanana ndi 80%), FFP2 (sefa mphamvu ya NaCl aerosol ndi mafuta a parafini ofanana ndi 94%) ndi FFP3 (sefa mphamvu wa NaCl aerosol ndi mafuta a parafini ofanana ndi 99%).
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