Question

quinn is reading about safety equipment. in which situation will he find this knowledge most useful? when operating power tools while taking the dog for a walk when walking to a friends house while doing his homework on a computer

Explanation:

操作电动工具时存在较高安全风险，安全设备知识可保障安全；遛狗、步行去朋友家、用电脑做作业安全风险较低，安全设备知识作用小。

Answer:

when operating power tools