Can thin-blade pliers cut metal?

Not recommended. Thin-blade pliers are designed specifically for plastic. If you need to cut metal, it’s better to use heavy-duty diagonal cutters or pliers designed for metal.
 

How should pliers be maintained after use?

After cleaning, apply a small amount of rust-preventive oil and store in a dry place. Avoid moisture or dropping to prolong their lifespan.
 

What should be done if the surface of pliers starts to rust?

You can gently scrub with a rust eraser or metal polishing paste. After treatment, be sure to apply rust-preventive oil for protection.