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Furthermore , the results indicated non-homogeneous bulk properties , making the use of Gibson-Ashby models inadequate , as they are developed for uniform density lattices .
 machanical property: non-homogeneous bulk properties; concept or principle: Gibson-Ashby models; material: as; machanical property: density
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: manufacturing standard, machanical property, manufacturing process, material, engineering feature, process parameter, machine or equipment, application, process characterization, enabling technology, biomedical, concept or principle 
Text: {0} 
Answer:
 machanical property: non-homogeneous bulk properties; concept or principle: Gibson-Ashby models; material: as; machanical property: density