boat wash(Boat wash is the turbulence created by your boat as it moves through the water.NO WASH signs are placed in areas where wash from vessels can cause damage, injury or annoyance to other vessels, the shoreline or people Johnny Bravo)
pool lap(Запоминайте длину проплываемых отрезков (или количество проплываемых бассейнов), и постарайтесь через 1Ц2 занятия проплыть немного больше. Alexander Demidov)