Hereâs what you can expect: 1  First, a speculum is placed in the vagina, just like for a Pap. The cervix is cleaned off with a soap solution.Then a soft flexible tube, thinner than the inside of a pen, is passed into the uterus. 2  The speculum is removed and the ultrasound probe inserted.
You will likely have similar results. Closed cell polyurethane foam will only absorb water if the individual cells are damaged, which CAN happen over time, but the causes of wet foam in boats isn't all that clear. It is likely that freeze cycles will gradually cause foam deterioration.
Diffen âº Fashion & Beauty. Some polyurethane foams are used as artificial or faux leather (PU leather) for shoes, upholstery in sofas, and iPad smart covers. Leather is tanned animal hide and is more expensive than polyurethane. However, polyurethane is not biodegradable and takes several centuries to decompose.