手动杆生锈块 hook will reduce the safety of the operation and shorten the service life of the hook. Serious hooks may also break, causing major safety accidents. So how to protect the manual lever 块钩子生锈了？

生锈的吊钩会降低操作的安全性，缩短吊钩的使用寿命。严重的吊钩也可能断裂，造成重大安全事故。那么如何保护手动杠杆块钩子生锈了？
1.手动杠杆的钩子上经常涂润滑油块以免钩子生锈。
2. The manual lever 块 is often cleaned, and it will rust if it is not cleaned for a long time. 
3.手动杠杆的挂钩块 does not come into contact with chemical corrosive substances以免钩子生锈。 
4. Clean the hooks in time after the manual lever 块 is exposed to rain to prevent the hooks from rusting.