Ключевые слова: adult, ascending, asian, background, banister, boy, closeup, concept, downstairs, exercise, female, finger, forefinger, grab, grabbing, grip, hand, handhold, handrail, health, help, helping, hold, holding company, hospital, human, ladder, leaning, man, people, person, rail, railing, rest, rising, safe, safeness, safety, security, stability, staircase, stairs, stairway, support, upstairs, using, woman, wood, wooden, young,