The safe use of pliers rules:
1. General pliers can't shear piano wire, unless specifically for this feature.
2. Don't put the pliers in place of overheating, otherwise it will cause annealing and damaged tools.
3. With the right Angle to shear, can't knock the handle and clamp pliers head, or with pliers blade curly steel wire.
4. Don't use lightweight pliers as a hammer use, or striking the clamp handle. If such abuse, pliers will crack, broken, clamp blade mouth will collapse.
5. Don't use lightweight pliers curly hard steel wire, if with pointed tsui bending is too crude to the head of the clamp wire, pliers be damaged. Should use strong tools.
6. Don't extend the length of the handle to get more cut the force, and should use specifications larger pliers or ?