If a person reaches age 62 in 2015, for example, then 2015 is the person's year of eligibility. We always index an individual's earnings to the average wage level two years prior to the year of first eligibility.
rill - a small channel (as one formed by soil erosion) channel - a deep and relatively narrow body of water (as in a river or a harbor or a strait linking two larger bodies) that allows the best passage for vessels; the ship went aground in the channel.
Flannell is a brushed lawn or twill weave fabric, with a soft texture on one or both sides. It is usually made of cotton, but also wool and synthetic fibers are used. Cotton flannels are most commonly used in shirts, and wool flannel in outerwear. Flannel is a very simple material to use.