1.   Because those nails have small heads they can be driven below the surface with a nail set.

2.   But such nails have little resistance to being pulled through and should be used just where stresses are quite unlikely to occur.

3.   Common nails have a broad flat head, for rough carpentry and construction.

4.   If the nails have big heads, I have no good answer for you except to live with the black marks.

5.   Long thick nails have greater holding power than short thin nails.

6.   Longer nails have to be used when fastening materials having little holding ability.

7.   Nails had ridges of black.

8.   Nails have flat heads that are easier to spackle over, but pounding them into the wall could crack some of the solid spackling on adjacent areas.

9.   Spiral flooring nails have twisted shanks, so that they turn in the wood like screws.

10.   Teaching a dog to stand quietly while being examined or to lie while having his nails trimmed is not a difficult task.