Woods are regarded as a necessary material in daily life. Assyrians used Woods for heating during winter and as fuel for cooking It is also in many in industries. In spite of the availability of some kinds of good woods in the north of Assyria there were no easy transportation means in this area, This was due to the scattering of the trees in rugged mountainous areas. and lack of security. So, the inhabitants used to bring good quality woods from Syria, Lebanon, and Palestine or sometime from Elam and others from the Arabian Gulf. Those woods were brought as goods or as booty. Undoubtedly, the Assyrians Knew many kinds of good quality woods They classified them in special groups according to their solidity. And gates also deals with the fields and usages of woods, like roofing houses, palaces, temples, making. ates, ship building, Cabinet making carts of inflated skins beside their military usages, namely, making Siege interments and gates, siege instruments.