If your floor really needs more than that, consider a low-cost alternative to refinishing: Apply a fresh topcoat of nonyellowing polyurethane, found in the flooring section of a home improvement store. Be sure to very lightly sand the floors with a pole sander and fine-grit sandpaper.
There are 440 different species of sharks in the world today classified into eight different orders described below with some examples of known sharks species for each group.
Passionate about all things Australian. Estimates of the number of butterfly species in the world vary between 15,000 and 20,000, with some sources citing 28,000. For each of the sources, see the related links below.