Ngenxa yemvelo ebrittle of glass fibers, ihlukana ibe izingcezu zefiber emifushane. Ngokocwaningo lwesikhathi eside olwenziwa yi-World Health Organization nezinye izinhlangano, imicu enobubanzi obungaphansi kwama-microns angu-3 kanye ne-aspect ratio engaphezu kuka-5:1 ingadonselwa ijule emaphashini omuntu. Imicu yengilazi esivame ukuyisebenzisa ngokuvamile mikhulu kunama-microns angu-3 ububanzi, ngakho asikho isidingo sokukhathazeka ngokweqile ngezingozi zamaphaphu.
Izifundo zokuqedwa kwe-in vivo zeimicu yengilazibaye babonisa ukuthi ama-microcracks akhona ebusweni bemicu yengilazi ngesikhathi sokucubungula azonwebeka futhi ajule ngaphansi kokuhlaselwa uketshezi lwamaphaphu olubuthakathaka olune-alkali, okwandisa indawo yawo engaphezulu nokunciphisa amandla emicu yengilazi, ngaleyo ndlela kusheshise ukuwohloka kwawo. Ucwaningo luye lwabonisa ukuthi imicu yengilazi incibilika ngokuphelele emaphashini ezinyangeni ezingu-1.2 kuya kwezingu-3.
Ngokwamaphepha ocwaningo lwangaphambilini, ukuchayeka isikhathi eside (okungaphezu konyaka owodwa kuzo zombili izimo) kwamagundane namagundane emoyeni aqukethe ukugxila okuphezulu kwemicu yengilazi (izikhathi ezingaphezu kwekhulu endaweni yokukhiqiza) akuzange kube nomthelela omkhulu ku-lung fibrosis noma ukwenzeka kwesimila, futhi ukufakwa kuphela kwemicu yengilazi ngaphakathi kwe-pleura yezilwane kwembula i-fibrosis emaphashini. Ukuhlolwa kwethu kwezempilo kwabasebenzi embonini ye-glass fiber okukhulunywa ngayo akutholanga ukwanda okukhulu kwezehlakalo ze-pneumoconiosis, umdlavuza wamaphaphu, noma i-pulmonary fibrosis, kodwa kutholwe ukuthi umsebenzi wamaphaphu wabasebenzi abashiwo wehlile uma uqhathaniswa nomphakathi jikelele.
Nakubaimicu yengilazingokwazo azibeki ingozi ekuphileni, ukuthintana ngokuqondile nemicu yengilazi kungabangela umuzwa onamandla wokucasuka esikhumbeni nasemehlweni, futhi ukuhogela izinhlayiya zothuli ezinemicu yengilazi kungase kucasule amacici, uqhoqhoqho, nomphimbo. Izimpawu zokucasuka ngokuvamile aziqondile futhi zesikhashana futhi zingabandakanya ukulunywa, ukukhwehlela noma ukuhefuzela. Ukuchayeka okuphawulekayo ku-fiberglass esemoyeni kungase kubhebhethekise isifuba somoya esikhona noma izimo ezifana ne-bronchitis. Ngokuvamile, izimpawu ezihambisanayo ziyancipha ngokwazo lapho umuntu oveziwe esuka emthonjenii-fiberglassisikhathi esithile.
Isikhathi sokuthumela: Mar-04-2024
