Ключевые слова: background, backlight, blue, clouds, construction, contrast, dark, dusk, energy, engineer, engineering, environment, evening, factory, hard hat, helmet, horizon, industrial, industrialization, industry, infrastructure, job, landscape, light, machinery, manufacturing, occupation, orange, person, plant, power, production, profession, profile, reflection, safety, scene, shadow, silhouette, sky, sunset, technology, twilight, work, worker,