Thea'idar aiki mai inzit na kwando ya samo asali ne ta hanyar wutar lantarki da ke lalata abubuwa waɗanda ke faɗuwa zuwa matakin aiwatarwa (Hoto 1). Abubuwan da suke fallasa su don fitilar kumburi masu zafi suna sama sama suna barin zafin da suke karɓa ga iska mai kewaye. Wannan shine yadda dakin yake mai zafi, wanda ya bambanta masu zafi na ma'adini daga samfuran convection.
Ana kiran na'ura ma'adini saboda tungsten filament, wanda aka mai zafi, an lullube shi da gilashin gilashin da aka yi da ma'adini (Fig. 2).
Wannan nau'in na'urar yana da fa'idodi masu yawa:
- lalata microbes;
- yana kara yawan bitamin D da aka samar a jikin mutum
Hakanan, a ƙarƙashin rinjayar radiation, ƙwayar jini yana inganta.
Shin akwai wata lahani daga injin zazzabi? Tabbas, yana da:
- Hasken IR yana iya ƙone cornea na ido;
- freckles na iya bayyana akan fata mai hankali;
- dogon lokaci na iya haifar da konewa.
Ta yaya za a guji cutarwa sakamakon mai ɗora wutar?
Ma'aunin kuzari, mai lahani daga abin da zai yuwu kawai idan akwai batun ci gaba da bayyanuwa sosai, yana da aminci ga mutane, idan an lura da yanayin aiki.
Dole ne a bi ƙa'idodin masu zuwa yayin aiwatar da amfanin shi:
- Ba shi da kyau a kalli farfajiyar fungsten filament na dogon lokaci;
- zafi a cikin ɗakin kada ya zama 90%;
- Yana da kyau kada ku kasance cikin kewayon ingin na injin na inzali fiye da minti 20 (Hoto 3).
Idan ka bi waɗannan ka'idodi masu sauƙi, to yuwuwar cutar da jikin ɗan adam da na'urar irin wannan tambayar kusan ba komai bane.
Cutar wuce gona da iri a fatar jiki. Duk da cewa gilashin nau'in wacce itace wacce aka sanya flask din wankin wannan nau'in a wani bangare yana shakar hasken rana, yana da kyau ya sanya na'urar saboda haskenta baya tasiri kan mutum.
Musamman taka tsantsan ya zama sakamakon haskoki a idanun mutum. Tunda wannan kwayar tana da hankalin musamman ga kowane nau'in radiation. Wuce kima na iya haifar da rashin jin daɗi, haushi. Yawan dumin hasken da yake kaiwa zuwa gabobin hangen nesa wani lokaci yakan haifar da makanta. Abin da ya sa yana da kyawawa don sanya na'urar ba a matakin ido ba, amma yana ƙaruwa da ƙananan (siffa 4) ko sama (Hoto 5).
Zuwa yau, na'urar kuzari, maɗaukaki, wanda galibi tabbatacce ne, yana ɗayan na'urorin mashahuri don kiyaye yawan zafin jiki a cikin gida.
Tunda yana da fa'idodi daban-daban:
- ƙarfin aiki;
- aminci na dangi;
- compactness;
- sauƙi na shigarwa da haɗin kai.
Don mafi yawan ɓangaren, ana sayen masu zafin wannan nau'in daidai saboda babban aiki. Amfani da mafi ƙarancin adadin makamashi, na'urar tana sinadaran wani yanki mai faɗi da aka keɓe. Mecece riba mara tabbas. A lokaci guda, na'urar ta kare lafiya gaba daya - idan ka bi ka'idodin aiki. Yiwuwar cutar da lafiyar ɗan adam yana da ƙanƙanta idan aka kwatanta da zafin wuta na convection.
