'''Metallurgical plants''' are industries which specialize in the science, technology, and processing of metals; these plants produce highly concentrated and [[toxic]] wastes which can contribute to [[pollution]] of [[ground]] [[water]] and air when not properly disposed. | '''Metallurgical plants''' are industries which specialize in the science, technology, and processing of metals; these plants produce highly concentrated and [[toxic]] wastes which can contribute to [[pollution]] of [[ground]] [[water]] and air when not properly disposed. |