structure is called structure is composed structure is constructed structure is covered structure is created structure is depicted structure is designed structure is determined structure is different structure is divided structure is formed structure is found structure is generally structure is identical structure is illustrated structure is important structure is known structure is located structure is made structure is necessary structure is presented structure is required structure is shown structure is similar structure is simple structure is supported structure is the same structure is used structure is well structure known structure layer structure located structure looks structure made structure makes structure may structure may be used structure may have structure may include structure means structure might structure model structure must structure needs structure not structure now structure obtained structure of a conventional structure of a protein structure of a typical structure of agricultural structure of atoms structure of claim structure of community structure of compound structure of consumption structure of data structure of earnings structure of employment structure of exports structure of fig structure of foreign structure of formula structure of government structure of human structure of international structure of labour structure of language structure of local structure of materials structure of matter structure of national structure of one structure of population structure of production structure of proteins structure of public structure of scientific structure of social structure of society structure of the agency structure of the atom structure of the board structure of the body structure of the book structure of the brain structure of the budget structure of the building structure of the canadian structure of the church structure of the commission structure of the community structure of the company structure of the complex structure of the compound structure of the data structure of the database structure of the department structure of the device