Pencil

The advantages of pencil . . . . .

1. they're made of wood - a renewable source
2. they don't leak into your pockets or pencil case
3. they never run dry
4. they're easy to fix if they're broken
5. mistakes are easily corrected
6. they can be shortened if they're too long
7. they're cheap
8. . . . . . . .


Any more??