2, 20-25, 20-30, 20's, 20s, 25-30, accessory, adult, advancement, apparatus, apparel, assembly, associate, builder, building, challenging, chatting, clip board, clip-board, clothes, clothing, collaborating, colleague, color, colour, communicating, concentrating, conference, considering, constructing, contemplation, conversation, conversing, cooperation, daylight, daytime, defending, demanding, dialog, dialogue, digging, discussing, displaying, earth, evaluating, examining, excavation, exhibiting, exterior, eyeing, fellow, garment, gathering, gentleman, ground, group, guy, hard hat, hat, hearing, helmet, human, human being, listener, looking, low angle, luminous-vest, machine, male, motioning, negative space, outdoor, outside, person, pondering, portable radio, reader, roadway, safeguard, safety vest, safety-hat, safety-vest, security, seeing, signaling, soil, speaking, stone, street, talker, team, thinker, three-quarter length, toiling, transit, transport, transporting, twenties, twenty, two, western european, white space, work, worker,
