20-25, 20-30, 20's, 20s, 25-30, 30-35, 30-40, 30's, 30s, 35-40, 4, 40-45, 40-50, 40's, 40s, 45-50, 50-55, 50-60, 55-60, accessory, adult, advancement, apparel, assembly, associate, builder, building, business, business man, businesspeople, challenging, cheerful, clip board, clip-board, clothes, clothing, collaborating, colleague, color, colour, conference, constructing, cooperation, daylight, daytime, defending, delighted, demanding, enjoyment, executive, exterior, fellow, fifties, fifty, formation, forties, forty, four, garment, gathering, gentleman, glad, gratifying, group, guy, happy, hard hat, hat, helmet, human, human being, jolly, joy, lighthearted, low angle, luminous-vest, male, merry, mid life, middle age, middle aged, middle-age, middle-aged, negative space, outdoor, outside, person, pleasing, pleasure, portraiture, proud, row, safeguard, safety vest, safety-hat, safety-vest, satisfaction, security, sky, smile, team, thirties, thirty, three-quarter length, toiling, twenties, twenty, waist-up, western european, white space, work, worker,