Iyo yakadzokororwa inosungirwa chiyero chenyika cheanoraswa ekudzivirira ekudzivirira masks, GB 19083-2023, yakatanga kushanda zviri pamutemo muna Zvita 1. Shanduko inonyanya kukosha ndeye kurambidzwa kwemavharuvhu ekufema pamasiki akadaro. Iyi gadziriso ine chinangwa chekudzivirira isina kusefa yakafemerwa mweya kubva mukuparadzira hutachiona, ...
Mafirita ekuchenesa mhepo anoita se "masks ekudzivirira" emudziyo, achiteya utachiona, zvinodzivirira, uye zvinosvibisa kuendesa mweya wakachena. Asi semask yakashandiswa, masefa anosvibiswa nekufamba kwenguva uye anorasikirwa nekushanda-zvichiita kuti kutsiva nenguva kukoshese hutano hwako. Nei Regular Filter Replacement...
Mumakore achangopfuura, musika wepasirese wepasi rose wakaita shanduko dzakakura pakati pekukanganisa kwedenda reCovid-19. Nepo kudiwa kwemidziyo yekuzvidzivirira (PPE) kwakawedzera panguva yedambudziko, zvimwe zvikamu zvemusika zvakatarisana nekudzikira nekuda kwekunonoka kusingakoshe kwekurapa ...
Munyika yanhasi, kuchengetedza kwezvakatipoteredza kwave musoro wakanangana nepasi rose. Kusvibiswa kwevachena kwakapararira kunopa ngozi huru kune mhoteredzo yezvakatipoteredza. Zvisinei, kubuda kwemachira akasimba asina kurukwa kwakafanana nemwaranzi yechiedza, zvichiunza tariro yekugadzirisa dambudziko iri. Nekushambadza kwayo kwakasiyana...
Wakambozvibvunza here kuti mhepo yatinofema zuva nezuva “inosefa” sei? Kunyangwe iri yekuchenesa mhepo kumba, sefa yekufefetera mumotokari, kana midziyo yekubvisa huruva mufekitari, vese vanovimba nechinhu chinoita sechinyakare asi chakakosha - jira risingarukwa. D...
Misika Inokura: Mazhinji Sector Fuel Demand Nonwovens ari kuona kudiwa kuri kuwedzera muzvikamu zvakakosha. Muhutano, huwandu hwevanhu vachembera uye kufambira mberi kwekurapa kunosimudzira kukura mukupfeka-yekupedzisira (semuenzaniso, hydrocolloid, alginate) uye zvipfeko zvakangwara senge zvigamba zvekutarisa hutano.