HD
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Opto Tech HD Commensive tabarau
Designotech HD cigaba mai zane mai niyyar da ba'a iya amfani da satar yanayin ba a cikin yankunan ruwan tabarau, ta hakan. Sakamakon haka, ruwan tabarau na ci gaba gaba ɗaya suna nuna alamun abubuwa masu zuwa: Yankin nesa mai kusa, kunkuntar matakan satigmatism (a hankali a hankali sarari).