Labaran Kayayyakin
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Yadda za a bambanta gilashin ruwan tabarau daga resin ruwan tabarau?
1. Kayan albarkatun kasa daban-daban Babban kayan albarkatun gilashin gilashin gilashin gilashi; Ruwan ruwan guduro abu ne na halitta tare da tsarin sarkar polymer a ciki, wanda ke haɗa ...Kara karantawa -
Madubin Bifocal
Idan daidaitawar idon mutum ya raunana saboda tsufa, yana buƙatar gyara hangen nesa daban don hangen nesa da kusa. A wannan lokacin, ya / ta sau da yawa yana buƙatar ...Kara karantawa