NATURAL RUBBER: LEATHER COMPOSITES

Natural rubber: leather composites

Leather is a fibrous protein consisting of collagen in tourettebrewing.com a three dimensionally crosslinked network.Chrome tanning of leather improves the appearance of leather but at the same time emits both solid and liquid chrome leather wastes.Scrap rubber recycling using untreated and neutralized leather fibrous particles in natural rubber ha

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Keefektifan Metode Practice Rehearsal Pairs dan Media Animasi Powtoon Pada Keterampilan Bercerita (The Effectiveness of the Practice Rehearsal Pairs Method and Powtoon Animation Media on Storytelling Skills)

This study aims to examine the effectiveness of the practice rehearsal pairs method and Powtoon animation on storytelling skills.This quasi-experimental research has control and experimental classes.The experimental group received treatment in the form of a practice rehearsal pairs method with Powtoon media and the control group received treatment

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