Question text not available

and development of new technologies and constantly in need of the upgrades. Therefore they are found in places with rich related pool. (3) Availability of land: Defense industries need large amount of land due to their size. (4) Site security and safety: They are either defense infrastructure and need to be prudently in case of war so they are established further from the borders of the country and outside the range of missile's. (5) Testing ranges: They need testing ranges and often are situated near military contingent. (6) Transportation facilities: To chive uninterrupted supply the axes maybe be integrated with railway and road network. (7) Raw material availability: Though important it takes secondary place with respect above considerations.