Most varicose and spider veins appear in the legs due to the pressure of body weight, force of gravity, and task of carrying blood from the bottom of the body up to the heart. Compared with other veins in the body, leg veins have the toughest job of carrying blood back to the heart. They endure the most pressure.
Curing a thermosetting resin transforms it into a plastic, or elastomer by crosslinking or chain extension through the formation of covalent bonds between individual chains of the polymer. Crosslink density varies depending on the monomer or prepolymer mix, and the mechanism of crosslinking:
Culling, is a word meaning to remove certain undesirable animals from an ecosystem in order to acquire a more healthy population. This can be practiced while managing a pond o â¦ r personal body of water. However, culling is most often used in fishing when referring to tournament fishing. culled coin, or simply a cull, refers to a coin that is in such bad shape that it has been removed from an otherwise circulated group of coins. Such a coin might be bent, â¦ cut, holed, or otherwise damaged.