Ключевые слова: activity, architecture, atmosphere, building, calm, cleaning, cleanliness, contemporary, dawn, design, diligence, employee, environment, evening, facility, floor, glass, hygiene, illumination, indoor, interior, janitorial, light, maintenance, midnight, modern, office, organized, professional, quiet, quietness, reflection, reflections, routine, sanitation, scene, service, shadows, silhouette, solitude, space, supplies, sweeping, task, tools, tranquility, urban, visual, worker, workspace,