
Making crayons is a dramatic and captivating process. First, wax is heated in massive siloes until it is molten. After the wax is mixed with the pigment, the crayons are molded and cooled before their labels are added. This book guides readers as the fascinating process unfolds, explaining the function of each ingredient that gives us our fun crayons.
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语言 英语 ● 格式 PDF ● 网页 24 ● ISBN 9781502646972 ● 出版者 Cavendish Square Publishing, LLC ● 发布时间 2019 ● 下载 3 时 ● 货币 EUR ● ID 7130631 ● 复制保护 Adobe DRM
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