Ключевые слова: building, building materials, cement, check, concrete, construction, dirt, earthwork, employment, engineer, engineering, engineers, equipment, factory, formwork, gastarbeiter, gravel, hand tool, hard hat, industrial, industry, job, machine, machinery, man, manufacturing, mask, new normal, pavement, paving, people, project, real, road, safety, site, steel, street, supervisor, surface, technology, tool, transportation, verify, warehouse, woman, work, worker, workers,