- Somelipstickscontainfishscales.Shehadtwolipsticksinherpurse.TomwalkedawaywithMrs.Smith'slipsticks.Cosmeticssuchasfacecreams,lipsticksandhairpreparationsareoftenbasedonpetroleum.ToexaminedifferentbrandsoflipsticksbySEM-EDStechnique,weneedtochooseappr...
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