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1.56 FSV Blue Block HMC Blue Coating Optical Lenses
Ruwan tabarau na Blue Block, muna kuma kiransa Ruwan tabarau na Blue Cut ko UV420. Kuma yana da nau'ikan ruwan tabarau na blue block iri biyu daban-daban, ɗaya ruwan tabarau na blue block, wannan nau'in yana toshe hasken shuɗi ta hanyar kayan aiki; wani kuma shine ƙara murfin toshe shuɗi don toshe hasken shuɗi. Yawancin abokan ciniki suna zaɓar ruwan tabarau na blue block, saboda yana da rahusa kuma yana da sauƙin duba aikinsa, kawai kuna buƙatar alkalami mai haske shuɗi ya isa.
