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.
There are more than 500 species of sharks swimming in the worldâs ocean. Yet when most people think of these cartilaginous fish, a single image comes to mind: a large, sharp-toothed and scary beast. That generalization does sharks a huge disservice, as they have far more variety than that.oday, fins are the most valuable part of a shark. The targeted shark-fin fisheries around the world are trading the fins of between 26 to 73 million sharks every year (according to a 2006 estimate) with a worth of $400-550 million. Driving this trade is the demand for and consumption of shark fin soup in Asia.