2, 20-25, 20-30, 20's, 20s, 25-30, 30-35, 30-40, 30's, 30s, 35-40, accessory, adult, advancement, apparatus, apparel, assembly, associate, beam, builder, building, challenging, cheerful, clip board, clip-board, clothes, clothing, collaborating, colleague, color, colour, constructing, cooperation, daylight, daytime, defending, delighted, demanding, earth, enjoyment, exterior, fellow, garment, gentleman, glad, gratifying, ground, group, guy, happy, hard hat, hat, helmet, human, human being, jolly, joy, lighthearted, luminous-vest, machine, male, merry, negative space, outdoor, outside, person, pleasing, pleasure, ray, safeguard, safety vest, safety-hat, safety-vest, satisfaction, security, seriousness, smile, soil, solemn, somber, stone, team, thirties, thirty, toiling, transit, transport, transporting, twenties, twenty, two, waist-up, western european, white space, work, worker,
