Industrial heritage refers to the physical remains of the history of technology and industry, such as manufacturing and mining sites, as well as power and transportation infrastructure. Another definition expands this scope so that the term also covers places used for social activities related to industry such as housing, museums, education or religious worship, among other structures with values from a variety of fields in order to highlight the interdisciplinary character of industrial heritage. It is also argued that it includes the so-called sociofacts or aspects of social and institutional organizations, and mentifacts that constitute the attitudinal characteristics and value systems industrial heritage sites.