Ключевые слова: adult, aid, animal, autumn, background, canine, collar, control, current, cute, cynologist, dog, domestic, electric, electrical, fence, friend, garden, hand, home, instructor, invisible, isolated, labrador, large, lightning, outdoor, outdoors, outside, owner, park, pet, playing, pointer, portrait, puppy, push, radio, reatrictor, retriever, shock, sound, spring, standing, teaching, turn on, use, vibration, white,