Ключевые слова: activity, athletic, ball, bat, batter, catch, championship, changeup, circle, clip, competition, cork, cowhide, curveball, cutter, diamond, equipment, fast, fastball, fitness, game, glove, handwoven, hit, horsehide, isolated, league, leather, leisure, material, pitcher, play, red, round, rubber, seam, shape, sinker, slider, speed, sphere, sport, stitches, strike, thread, throw, trajectory, umpire, weight, yarn,