pitcher, hitter, people, person, persons, helix, system, batter, individuals, subjects, screw, man, hitters, patients, player, children, pitchers, world, rotation, batters, surgeon, helices, patient, child, twist, operator, direction, polarization, blow, individual, set, spiral, players, neutrino, adults, neutrinos, light, woman, pitching, writing, ones, punch, batsman, shooter, students, slugger, golfer, glove, motion, males, bowler, pupils, quartz, crystals, cartesian, administrator, currents, baseman, surgeons, parents, electron, superhelix, grip, thrower, operators, move, couple, reading, leptons, twin, females, triad, writers, clinician, bowlers, ray, golfers, components, writer, wave, assailant, fellows, male, vibration, molecules, stance