Asbestos

asbestos a ƙarƙashin microscope na lantarki

Asbestos yana kunshe da zaruruwa masu kyau waɗanda za a iya saƙa da kumbura. Na roba, mai jure sanyi da yanayin zafi, zuwa acid da sauran abubuwan caustic, yana da kyau don samar da yadudduka masu tsayayya da wuta (alal misali, tufafi ga masu kashe gobara), ƙwanƙwasa birki, igiyoyin rufewa. Asbestos rukuni ne na ma'adinan dutsen da aka samo a cikin yanayi kuma an san shi na dubban shekaru. Amma a cikin shekaru fiye da ɗari da suka wuce, a lokacin juyin juya halin masana'antu, ya yi sana'a ta gaske. Abin takaici! An san kusan kusan kwata na karni cewa wannan danyen abu, mai matukar amfani ga samar da samfuran kusan 3, yana da ciwon daji.

A {asar Poland, ana amfani da ita a gine-gine, ciki har da gidaje. A cikin 60s da 70s, corrugated asbestos-ciment alluna (asbestos-cement alluna (asbestos) don sheathing gidaje guda daya da kuma waje gine-gine, da kuma insulating allunan da ake amfani da su don shinge toshe bango, ya sami musamman shahararsa saboda ba su da tsada.

Sakamakon haka, a farkon karni na 15,5, an sami kimanin tan miliyan 14,9 na kayayyakin asbestos a cikin kasarmu, wadanda suka hada da kusan tan miliyan 600 na siminti na asbestos, tan 160. ton na bututu da tan dubu 30 na sauran kayayyakin siminti na asbestos. Babbar matsalar ita ce samfuran da rayuwar fasaha, wanda aka kiyasta a shekaru XNUMX, yana gab da ƙarewa. Waɗannan sun haɗa da tayal na asbestos, sau da yawa ba a kula da su kuma ba a fentin su ba.

Sassan asbestos bai kamata (ko ma a bar su) su tarwatsa su da kanku ba. Wataƙila ba za ku iya fallasa yanayin ku ba, gami da wasu mutane, ko kanku ga gurɓataccen asbestos da asarar lafiya. Za a iya kare faranti ne kawai ta zanen su.

Karyayye, faranti masu murƙushewa suna haifar da haɗari mafi girma. Cibiyar Nazarin Gine-gine ta ƙididdige cewa daga 1 m² Lalacewar farfajiya na iya sakin ko da dubunnan zaruruwan asbestos.

Akwai nau'o'in su da yawa, amma mafi haɗari shine na numfashi, wato, waɗanda suke ci gaba da kasancewa a cikin iska kuma suna shiga cikin numfashi. Suna shiga cikin alveoli, wanda ba za a iya cire su ba. Babban cutarwa na asbestos yana cikin tasirin sa mai ban haushi, wanda ke haifar da asbestosis (asbestosis), ciwon huhu, mesothelioma na pleura da peritoneum.

Wani babban bincike da aka yi kan faruwar irin wannan nau'in ciwon daji ya nuna cewa ana samun karuwar cutar a fannin ma'adinai da masana'antar sarrafa asbestos da kuma a birane. Alkaluma na hukuma sun nuna cewa marasa lafiya 120 ne ke mutuwa daga cutar mesothelioma a kowace shekara. A cikin 1976-96, an gano lokuta 1314 na asbestosis na huhu a Poland. Yawan lokuta yana karuwa da 10% a kowace shekara.

Abubuwan da suka faru sun ninka sau biyu a wuraren da, alal misali, murabba'ai da hanyoyi an ƙarfafa su da sharar gida daga samar da bangarori. Wannan ya faru, alal misali, a cikin gundumar Shchutsin a lardin. Subcarpathian. Shin masana'anta a can? yana samar da mafi yawan adadin siminti na asbestos a Poland,” in ji Agata Szczesna daga Babban Hukumar Kula da Muhalli. - Gurbacewar muhalli tare da kurar asbestos daga jujjuyawar daji a cikin dazuzzuka da sauran abubuwan da suka rage. Sannan kuma daga lallace saman fanatoci a kan rufin da facade na gine-gine?

hoto: tushen - www.asbestosnsw.com.au