What are the different kinds of hardware tools servicing?

Question is unclear to interpret in two three ways.

1. What different kinds of hardware tools using for servicing?

2. What are different ways of hardware tool's servicing

3. what are different kinds of hardwares used for tool servicing?

Various hand tools are required for servicing jobs. Hammer, Spanners, Pliers, special purpose setting tools, drill guns, files, hand grinders are very few of it.