Nekuda kwekusasimba kwemagirazi, anotsemuka kuita zvidimbu zvemagirazi mapfupi. Sekureva kwekuyedza kwenguva refu kwakaitwa neWorld Health Organization nemamwe masangano, magirazi ane dhayamita iri pasi pema microns matatu uye chiyero cheaspect chinodarika 5:1 anogona kufemerwa mukati memapapu emunhu. Magirazi atinowanzo shandisa anowanzo kuve akakura kupfuura 3 microns mudhayamita, saka hapana chikonzero chekunyanya kunetseka nezvenjodzi dzemapapu.
Zvidzidzo zvekunyungudika kwemuviri mumuvirimagirazi egirazizvakaratidza kuti tumapundu tudiki turi pamusoro pemagirazi panguva yekugadzirisa tunokura nekudzika kana mvura yemapapu isina alkaline yakawanda, zvichiwedzera nzvimbo yatwo uye zvichideredza simba remagirazi, zvichiita kuti tupunduke nekukurumidza. Zvidzidzo zvakaratidza kuti magirazi anonyungudika zvachose mumapapu mumwedzi 1.2 kusvika ku3.
Sekureva kwezvinyorwa zvekare zvekutsvagisa, kugara kwenguva refu (kwenguva inopfuura gore rimwe chete muzviitiko zvese zviri zviviri) kwemakonzo nemakonzo mumhepo ine magirazi akawanda (anopfuura zana kupfuura nzvimbo yekugadzira) hakuna kukanganisa zvakanyanya pakukura kwemapapu kana bundu, uye kungoisa magirazi mukati me pleura yemhuka kwakaratidza kuti fibrosis mumapapu. Ongororo dzedu dzehutano dzevashandi vari muindasitiri yegirazi fiber dziri kutaurwa nezvadzo hadzina kuwana kuwedzera kukuru kwehuwandu hwe pneumoconiosis, kenza yemapapu, kana pulmonary fibrosis, asi dzakaona kuti mashandiro emapapu evashandi ava akaderera zvichienzaniswa nehuwandu hwevanhu.
Kunyangwe zvakadaromagirazi egiraziPachazvo hazvipi njodzi kuhupenyu, kubata zvakananga negirazi kunogona kukonzera kunzwa kwakasimba kwekutsamwa paganda nemaziso, uye kufema zvidimbu zveguruva zvine girazi zvinogona kutsamwisa nzira dzemhino, trachea, nepahuro. Zviratidzo zvekutsamwa zvinowanzova zvechinguva uye zvinogona kusanganisira kuvaviwa, kukosora kana kufemera. Kuonekwa zvakanyanya nefiberglass inobhururuka kunogona kuwedzera mamiriro aripo easthma kana bronchitis. Kazhinji, zviratidzo zvine chekuita nazvo zvinodzikira zvega kana munhu akafumurwa achibva panobva chinhu.fiberglasskwenguva yakati.
Nguva yekutumira: Kurume-04-2024
