01 Cov ntsia hlau extractor tsim los tshem tawm cov ntsia hlau tawg los ntawm cov iav tsom iav pom nws daim ntawv thov nyob rau hauv ntau qhov xwm txheej. Feem ntau, nws yog siv hauv cov khw muag khoom kho qhov muag, qhov twg opticians thiab cov kws kho mob feem ntau ntsib cov ntsia hlau puas los yog hnav uas yuav tsum tau hloov. Nyob rau hauv xws li mob, cov ntsia hlau extractor los rau hauv kev ua si, muaj kev nyab xeeb thiab zoo tshem tawm cov screws tawg tsis ua rau muaj kev puas tsuaj rau cov khoom nyob ib puag ncig.
Xav txog tias ib tus neeg siv khoom taug kev mus rau hauv lub khw muag khoom kho qhov muag nrog lub ntsej muag tawg hauv lawv cov iav. Yog tsis muaj lub cuab yeej zoo, kev tshem tawm cov ntsia hlau tuaj yeem yog ib qho nyuaj thiab ua rau muaj kev puas tsuaj. Txawm li cas los xij, nrog rau cov ntsia hlau tshwj xeeb extractor, tus kws tshaj lij tuaj yeem tshem tawm cov ntsia hlau puas, npaj cov thav duab rau cov ntsia hlau tshiab kom muab tso rau.