Objective: in order to explore the mold to the leather shoes the harm and the preventing and controlling method, prevents and controls the mold effectively to the leather shoes corrosion.

目的：为了探索霉菌对皮鞋的危害及防治方法，有效防治霉菌对皮鞋的侵蚀。

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Reid's shoes allegedly contained several bomb-related materials including the explosive PETN, plastic chemicals to gel and mold the explosives and TATP, a highly sensitive material needed to detonate the shoe bombs, sources told CNN.

CNN: Judge denies bail to accused shoe bomber