Ключевые слова: architect, blue collar, builder, building construction, building contractor, businessman, cheerful, civil engineering, construction worker, constructor, contemporary, craftsman, electrician, engineer, glad, happy, hard hat, hardhat, helmet, home ownership, human, industrial, joyful, laughing, looking at camera, male, manual worker, master, mechanic, merry, middle aged man, nice, old man, older, one person, portrait, reflective vest, safety vest, satisfied, satisfied businessman, senior, senior man, site, smiling, success, vest, worker, workman, workplace,