Many public pools have ..... set up so that people can swim laps (back and forth) in these designated areas. These often span the length of a pool and are created by using buoyant lines to separate one from the other. (*) lanes (*) paddles (*) crawls (*) strips
This is a companion discussion topic for the original entry at https://english.best/questions/19491,many-public-pools-have-___-set-up-so-that-people-can-swim-laps-back-and-forth-in-these-designated-areas-these-often-span-the-length-of-a-pool-and-are-created-by-using-buoyant-lines-to-separate-one-from-the-other/