astronomy(The science concerned with celestial bodies and the observation and interpretation of the radiation received in the vicinity of the earth from the component parts of the universe)
pickling plant(Plant where scale is removed from iron and steel usually by means of immersion in a hot hydrochloric or sulphuric acid bath. Wastes include spent pickling liquor, sludges and rinse water)
paint room(A portion of space within a commercial establishment that is used for applying coloring substances to certain products or materials, providing a decorative or protective coating)