60-70, ADULT, ALONE, ARCHITECT, BACKGROUND, BSIP, BUILDING, BUSINESS, BUSINESSMAN, CHASSENET, CITIZEN, CONSTRUCTION, ENGINEER, EUROPEAN, EXECUTIVE, HARD, HAT, HELMET, HOLDING, HUMAN, IN, INTERIOR, MALE, MAN, MANAGER, PERSON, PLAIN, PLAN, PLANS, SECURITY, SENIOR, SITE, SMILE, WORK, YEARS,