有限寿命工具保修是什么意思?

The Product categories designated as limited Lifetime tool warranty are warranted to the original purchaser to be free from defect in materials and workmanship at the time of manufacture from the original purchase date in non- industrial use; wear and tear is not covered. 使用寿命定义为产品的使用寿命. “产品的使用寿命”定义为所有零部件的供应期间, 包括部分, 是可用的.”