Iphefumla luhlobo lweemveliso zococeko, ngokubanzi zibhekisa emlonyeni nasempumlweni zisetyenziselwa ukucoca umoya ongena empumlweni nasemlonyeni, ukuze kufezekiswe indima yokuthintela iigesi eziyingozi, ivumba, amathontsi, iintsholongwane kunye nezinye izinto, ezenziwe ngegeyile okanye iphepha.
Iimaski zinefuthe elithile lokucoca emoyeni elingena emiphungeni. Xa izifo ezosulelayo zokuphefumla zixhaphakile kwaye xa zisebenza kwindawo enomdaka njengothuli, ukunxiba imask kunomphumo olungileyo.
Uchungechunge: akukho xesha lininzi lokukhuselwa kwamasuntswana angaqinisekisi ioyile
R Ungcelele: Khusela amasuntswana angenamoyile anamafutha kunye neesuntswana ezinqunqiweyo ezinqunyiweyo kangangesibhozo iiyure
P ngchungechunge: akukho xesha lininzi lokukhuselwa kwamasuntswana angenamveliso yeoyile kunye namasuntswana eoyile anqunyanyisiweyo
Xa umphathi wezinto ezithile enamafutha, kwaye ezi zinto ziqhotyoshelwe kwilaphu elenziwe ngombane elingalukwanga, iipropathi zombane ziya kuncitshiswa, kwaye uthuli oluhle lungene. Ke ngoko, isixhobo somxholo wokuthintela ioyile kunye ne-sol sol kufuneka zifumane unyango olukhethekileyo lwe-electrostatic ukuthintela ukugqibeka. Injongo yothuli. Ke ngoku uthotho ngalunye lwahlulahlulwe ngokwamanqanaba ama-3: 95%, 99%, 99.97% (Oko kukuthi, 95, 99, 100), ngoko ke kukho iindidi ezincinci zezinto zokucoca.
Ukusuka kwindawo yokujonga komzimba womntu, ukujikeleza kwegazi kwimpumlo yempumlo yomelele kakhulu, imijelo kwiphondo lempumlo ibuhlungu kakhulu, kwaye iinwele zempumlo zenza "isithintelo" sokuhluza. Xa umoya uthubeleza emakhaleni, impompozo yomoya yenza i-vortex kwisitishi sesikhuselo, eshushu umphunga womoya ungene kwisisu sempumlo. Olunye uvavanyo luye lwabonisa ukuba xa umoya obandayo uthabathe u-7 ° C utsalelwe emiphungeni ngomngxuma wempumlo, ukuhamba komoya kuye kwafudumala kwaba ngama-28.8 ° C, okusondele kakhulu kubushushu bomzimba womntu. Ukuba unxiba imaski ixesha elide, incindi yamadlala iya kuba buthathaka kwaye ilahlekelwe ngumsebenzi wangaphambili womzimba wesibeleko, ke awunakukwazi ukunxiba imask ixesha elide. Imaski inokunxiba kuphela kwiimeko ezikhethekileyo, ezinjengeendawo ezinabantu abaninzi kwaye akukho kujikelezwa komoya. Ewe kunjalo, kuyimfuneko ukunxiba imaski ukuhamba endle ukumelana nomoya nesihlabathi, okanye ukuhamba kwindawo enomoya ongcolileyo, kodwa ixesha akufuneki libe lide kakhulu. Ukongeza, kwixesha lomkhuhlane, yiya kwiindawo zikawonke-wonke apho kunokubakho inani elikhulu lamagciwane, kuya kufuneka unxibe imaski. Ukunxiba imaski yenye yeendlela zokuthintela izifo ezosulelayo zokuphefumla. Eyona nto ibaluleke kakhulu kukugcina imikhwa elungileyo yokuphila.
Isigqumathelo somntwana esilahlwayo sinolwakhiwo olunemigangatho emithathu, kunye nelaphu elingalukwanga elingama-25g kwelaphu langaphandle, ilaphu elinyibilikisiweyo elinyibilikileyo elingama-25g, umaleko ophakathi, i-18g yelaphu elingalukwanga kwilaphu lesiseko, kunye neempumlo zebhulorho zempumlo kunye nemitya yeendlebe.
Imaski yokhuselo eyi-n99 (ffp3) ixhomekeke kuxinzelelo lwerhasi engaphezulu yokuvuthuza ukuvula ivalve ngexesha lokukhupha umoya ngokukhawuleza ukukhupha igesi emzimbeni kunye nokunciphisa imvakalelo yokubi xa usebenzisa imaski.
I-KF94 imaski ekhuselweyo yamagqabi inokuthintela ukufukama, "uyilo lwempumlo esebenzayo" ukwahlukanisa umoya wangaphandle, ukhululekile ukunxiba ixesha elide
I-KN95 isigqumathelo sangaphakathi sempumlo se-TUV isiqinisekiso se-CE FFP2 esakhelwe-ngaphakathi kwimpumlo ibhulorho yokuqinisekiswa kwe-FDA isiqinisekiso se-Kn95 se-EAC
Isiqinisekiso se-KN95 sangaphandle Sempumlo yeMask TUV ye-CE FFP2 eyakhelwe-ngaphakathi yempumlo yempumlo i-FDA isiqinisekiso se-Kn95 imaski ye-EAC
I-KN95 yokuphefumla i-Valve yokuKhusela i-Mask TUV ukuqinisekiswa kwe-CE FFP2 eyakhelwe-ngaphakathi kwi-nose Bridge i-FDA isiqinisekiso se-Kn95 imaski ye-EAC