20-25, 20-30, 20's, 20s, 25-30, 3, 30-35, 30-40, 30's, 30s, 35-40, 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, clip board, clip-board, clothes, clothing, colleague, color, colour, confident, connecting, connexion, constructing, cooperation, daylight, daytime, demanding, executive, exterior, fellow, fifties, fifty, forties, forty, garment, gentleman, group, guy, hard hat, hat, helmet, human, human being, joining, low angle, luminous-vest, male, mid life, middle age, middle aged, middle-age, middle-aged, negative space, outdoor, outside, person, protection, safety vest, safety-hat, safety-vest, security, stone, team, thirties, thirty, three, three-quarter length, toiling, transit, transport, transporting, twenties, twenty, white space, work, worker,