Provide two of the most common uses for a hammer.
1. Driving nails into wood, concrete or other surfaces to fasten objects securely.
2. Removing nails or other fasteners, with the claw end, from a variety of surfaces for dismantling or repositioning work.
Complete the following task based on the instruction and optional input provided.### Instruction:
Provide two of the most common uses for a hammer.

### Output:
1. Driving nails into wood, concrete or other surfaces to fasten objects securely.
2. Removing nails or other fasteners, with the claw end, from a variety of surfaces for dismantling or repositioning work.