record player. 1. a device for reproducing the sounds stored on a record, consisting of a turntable, usually electrically driven, that rotates the record at a fixed speed of 33, 45, or (esp formerly) 78 revolutions a minute.
Two-generation approaches can be applied to programs, policies, systems, and research. Programs: Two-generation programs provide opportunities for and meet the needs of parents and their children together.
For example, a three-part tackle system, using a single block and a single block with a becket, divides the line in three parts for a mechanical advantage of 3:1. Cascade systems like the 8:1 cascade system shown here, use a chain of single blocks to successively double the purchase.