chigoba chokhala ndi zida zopumira

Kuti mupume muzovuta, mukuganiza bwanji ozimitsa moto, ogwira ntchito ku migodi kapena osambira m'madzi akuya akugwira ntchito yawo ndikupuma? Zingakhale choncho bwanji, sichoncho? Amavala masks a SCBA! (zida zodzipangira tokha zopumira) Masks amenewa ndi ofunikira chifukwa amalepheretsa kutulutsa mpweya woipitsidwa komanso amapereka mpweya wabwino kwa wovala. Zimathandiza antchito anu kupuma mpweya wabwino pamene akugwira ntchito popanda kubweretsa vuto.

Umu ndi momwe masks a SCBA amapangidwira; ali ndi magawo atatu osiyanasiyana omwe amagwirira ntchito limodzi kuti ateteze anthu. Pali, poyambira, chigoba chomwe chimaphimba mphuno ndi pakamwa. Gawoli ndi loti mutonthozedwe kuti mpweya womwe mumapuma kuchokera pamakinawa ndi woyera. Chachiwiri, ndi thanki ya mpweya yomwe imakhala ndi mpweya wabwino womwe umatha kupuma. Iyi ndiye thanki yomwe chigoba chimakokeramo mpweya, popanda chigoba ichi sichingagwire ntchito. Mpweya umenewo umayendetsedwa ndi owongolera, omwe amasankha momwe angayendere kuchokera ku thanki kupita ku chigoba chanu. Wowongolera amawongolera kuchuluka kwa mpweya womwe umadutsa kuti wogwiritsa ntchito apume mosavuta.

Khalani Otetezeka Kulikonse, Nthawi Iliyonse Ndi SCBA Mask

Chinachake chiyenera kuteteza nkhope mukamavala masks a SCBA, ndipo izi zimachitika muntchito zosiyanasiyana. Ozimitsa moto amagwiritsa ntchito izi kuti ateteze ku utsi ndi mpweya woopsa wotuluka ndi moto. Mipweya iyi imatha kukhala yakupha, chifukwa chake masks amasefa. M'madera okhala ndi mankhwala ndi ochita fumbi amagwiritsa ntchito masks a SCBA. Ngakhale kuti anali kuseri kwa nthaka, ankafunika kuonetsetsa kuti mpweya wawo uli woyera. Kwa kuvala pansi pamadzi ndi osambira m'nyanja yakuya paulendo wautali wodumphira popuma. Amafuna magwero a mpweya wokhazikika kuti akhalebe otetezeka mkati mwa maulendo awo opita pansi pa nyanja.

Ubwino wina wa masks a SCBA ndiwokwanira bwino. Uku ndiye kufufuza kofunikira kwambiri chifukwa kumawonetsetsa kuti mpweya womwe mumaukokera umakhala waukhondo komanso wopanda tinthu towopsa komanso mpweya. Chifukwa chake, mutha kupuma mulimonse ndikukhala opanda nkhawa ngakhale m'malo omwe palibe amene amapita. Masks amapangidwa m'njira yoti mpweya usefedwe bwino, zomwe ndi zofunika kuteteza thanzi la munthu amene akuzigwiritsa ntchito.

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