Herring fish belong to the family Clupeidae, which contains nearly 200 species. They are small, streamlined schooling fish that feed on plankton and live in both freshwater and saltwater.Herring have a single dorsal fin and protruding lower jaws and are silvery in color.erring fish belong to the family Clupeidae, which contains nearly 200 species. They are small, streamlined schooling fish that feed on plankton and live in both freshwater and saltwater.
ESTRING (estradiol vaginal ring) is an off-white, soft, flexible ring with a center that contains 2 mg of estradiol (an estrogen hormone). ESTRING releases estradiol into the vagina in a consistent, stable manner for 90 days.The soft, flexible ring is placed in the upper third of the vagina (by the physician or the patient). ESTRING (estradiol vaginal ring) should be removed after90 days of continuous use.If continuation of therapy is indicated, the flexible ring should be replaced.he soft, flexible ring is placed in the upper third of the vagina (by the physician or the patient). ESTRING (estradiol vaginal ring) should be removed after90 days of continuous use. If continuation of therapy is indicated, the flexible ring should be replaced.
Ordinarily (however not always) a groove is dug into the shaft or bore, and this groove becomes the seat for the retaining ring. Retaining rings are designed such that their contact diameter has some interference fit with the groove in which they fit. This creates a âsnugâ fit between the ring and groove. The term used to describe the amount of interference fit is âclingâ. Cling causes the retaining ring to fit tightly and securely against its groove bottom. Without cling a ring would have a loose fit and would ârattleâ in its groove.