it is a unit carrying on storage, distribution, transportation, maintenance, use and removing from inventory of material. It includes the subjects as the following, system management, material management, technical management, catalogue management, fund management, procurement and contract management, supply, maintenance, repair, modernization and recondition, transport activities, services, sanitary evacuation and cure, bulwark, construction-estate, logistic training activities, credibility and working error report system, environment protection, pollution prevention and save waste materials to economy.
