If a pipe is folded accidentanlly, use a torch lamp to heat it gets transparent and then cool it to have it turned to previous from by its restoring nature.

有折曲时可用喷灯均匀加热至透明后进行冷却，则由于材质特性可恢复到原来状态。

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It is a homemade lamp, light, high above his head, like a small torch.

那是一种自制的灯盏，点燃以后，高举过头，就像一支小小的火把。

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Other important lighting tools include the lamp, the torch and the flashlight.

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