IPN

例句：

1. 1. The insulating plastic isused to protect electrical components from short circuits.
   绝缘塑料用于保护电气组件免受短路。
2. 2.The insulating layer is crucial forpreventing electrical leakage.
   绝缘层对于防止电气泄漏至关重要。
3. 3. The insulating plastic iscommonly used in the manufactureof electronic devices.
   绝缘塑料常用于制造电子设备。