Browsing A - Mathematics and Natural Sciences by Subject "Masker; Diameter Serat; Porositas"
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Kajian Struktur Serat dan Porositas Masker Udara
(Jurnal Fisika Unnes, 2018-06-05)There are 6 brands of air masks on the market that are Evo med, Nexcare carbon, Nexcare daily, Indomaret, Borma and Evo club. All masks on the market have 3 layers. Based on the results of microscopy testing showed that ...