Transcript
Page 1: 83 Trine Insta, Check ph blyanten

pH-spottest af partikler

med pHydrions Insta-Check

surface pH pencil

Page 2: 83 Trine Insta, Check ph blyanten
Page 3: 83 Trine Insta, Check ph blyanten
Page 4: 83 Trine Insta, Check ph blyanten

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