2, 20-25, 20-30, 20's, 20s, 25-30, 40-45, 40-50, 40's, 40s, 45-50, 50-55, 50-60, 55-60, accessory, accurate, adult, apparel, associate, cheerful, clip board, clip-board, clothes, clothing, colleague, color, colour, commerce, computer, confidence, connecting, connexion, defending, delighted, e-book, e-reader, e.u., electronic book, electronic reader, enjoyment, eu, europe, european, european union, fellow, fifties, fifty, forties, forty, garment, gentleman, glad, gratifying, green, guy, happy, hard hat, hat, helmet, human, human being, indoor, industrialization, inside, joining, jolly, joy, lighthearted, luminous-vest, male, mediterranean, merry, method, meticulous, mid life, middle age, middle aged, middle-age, middle-aged, obligation, person, pleasing, pleasure, portraiture, positive, precise, procedure, proud, responsibility, reusing, safeguard, safety vest, safety-hat, safety-vest, satisfaction, security, self-assured, smile, south west europe, southern european, spanish, tablet, tablet computer, team, toiling, trade, twenties, twenty, two, western european, wireless, work, world wide web,