20-25, 20-30, 20's, 20s, 25-30, 30-35, 30-40, 30's, 30s, 35-40, 3d, 40-45, 40-50, 40's, 40s, 45-50, 5, 50-55, 50-60, 55-60, adult, african, african american, african-american, afro american, afro-american, angular, apparel, associate, care giver, care-giver, caregiver, chatting, clothes, clothing, colleague, color, colour, communicating, communication, conference, conferring, control, conversation, conversing, daylight, daytime, dialog, dialogue, discussing, doc, elevated view, emp, equipment, expert, fellow, female, fifties, fifty, five, forties, forty, full body, full-length, gal, garment, gathering, general practitioner, gentleman, geometric, guy, health, health-care, healthcare professional, healthcare worker, hearing, high angle, hispanic, human, human being, indoor, inside, lady, latin, latin american, listener, luminous-vest, male, md, medical care, medical equipment, medical science, medical technician, mid life, middle age, middle aged, middle-age, middle-aged, negative space, of african descent, overhead, person, physician, power, round, safety vest, safety-vest, shape, speaking, sphere, surgical gown, talker, thirties, thirty, together, toiling, twenties, twenty, uniform, western european, white coat, white space, women, work,