Babak Rahnavard - Ms technology transfer. Chairman of Organizations and Educations of Tehran Subway
Mohammad M. Movahedi - Faculty Member of Islamic Azad University, Firozkouh branch, Firozkouh, Iran

In recent years, technology developments in different countries, especially in newly industrialized countries, are extremely indebted to appropriate technology transfer by these countries. Nevertheless the technology transfer process in the present situation is complex, and its success is related to the coordination rate with the political, economic, social, and environmental objectives of countries. Today debates related to the transfer of the technical know how accompanied by equipment hardware has found remarkable importance such that countries seek increasing comprehensive capabilities in the field of transferred technology for which Preventive Maintenance (PM) is one of the aspects.

appropriate technology, technology transfer,preventive maintenance, Utilization Operations