The events include 20th Mashhad International Exhibition of Industry, 13th Mashhad International Exhibition of Industrial Automation, 12th Mashhad International Exhibition of Mine, Geology and Related Industries, 14th International Exhibition of Machinery, Construction, Civil Engineering, Rail and Road, and 12th International Exhibition of Steel Metallurgy, Modeling Making, Forging and Casting. The five expos were inaugurated at Mashhad International Exhibition Center on Thursday and will run till Sunday, ILNA reported. The exhibitions are open to the public from 4 p.m. until 10 p.m. local time, according to Financial Tribune.