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قراءة كتاب The Preparation of Plantation Rubber
تنويه: تعرض هنا نبذة من اول ١٠ صفحات فقط من الكتاب الالكتروني، لقراءة الكتاب كاملا اضغط على الزر “اشتر الآن"
اللغة: English
الصفحة رقم: 5
tag="{http://www.w3.org/1999/xhtml}a">Sand—Oxidation streaks—Yellow streaks—Bisulphite streaks—Spot disease—Cause of—Influence of rate of drying—Percentage of moisture—Humidity of atmosphere—Prevention of disease—Infection by contact—Outbreak of dormant spores—Rules to be observed—Surface moulds or mildew—Tackiness in general—Full discussion of—Experimental reproduction—Lack of uniformity in colour—Defects in block rubber