afro american, afro-american, blacks, blue-collar worker, business, carpenter, carpenters, carpenting, carpentry, chat, chats, chatted, chatting, colleague, colleagues, color, color image, colored, colors, colour, colours, commerce, communicate, communicated, communicates, communicating, communication, communications, conversation, conversations, converse, conversed, converses, conversing, coworker, coworkers, craftspeople, craftsperson, day, daylight, daytime, desk, desks, dialog, dialogs, dialogue, dialogues, discussion, fifty, furnishing, furnishings, furniture, group, groups, hear, heard, hearing, hears, hispanic, hispanics, horizontal, horizontally, horizontals, human, human being, humans, indoor, indoors, industrial, industrialization, industrializations, industrialized, industries, industry, inside, joiners, latin, latin american and hispanic ethnicity, latins, listen, listened, listener, listeners, listening, listens, man, mature adult, mature men, mature women, medium group of people, meet, meeting, meetings, meets, men, met, mid adult, mid adult women, mid adults, mid life, mid-adult woman, middle age, middle aged, middle eastern ethnicity, middle easterners, middle-age, middle-aged, multiracial group, occupation, occupations, office, offices, person, photographic, photography, protective workwear, reflective clothing, smile, smiles, smiling, speak, speaking, speaks, spoken, standing, stood, storehouse, storehouses, talk, talked, talker, talkers, talking, talks, technology, toothy smile, trade, trades, warehouse, warehouse worker, warehouse workers, warehouses, woman, women, woodworker, woodworkers, work, work place, work places, worked, working, works, young, young adult, young men, europe, latin american, middle-eastern ethnicity, of african descent, scandinavia, sweden, wood - material