迫击炮和杵首次用来粉碎的颗粒点火粉末。
A mortar and pestle was first used to pulverize the granules of Ignition Powder.
考克博士向我们展示，这种粉碎效果如同粉碎其他物体一样，会自然产生尺寸不一的颗粒混合物。
Dr Kok shows that this shattering, like the shattering of all sorts of other things, produces a distinctive mix of particle sizes.
按照颜色分类后，塑料被粉碎成小颗粒并重新利用，就这样塑料瓶再生为柔软的聚酯毯。
Sorted by colour so the plastic could be broken down, granulated and reused, the bottles were destined for reincarnation as soft blue polyester blankets.
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