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The objective in this work is to compile metal additively manufactured lattice structure characterization data found in the literature into Ashby-style plots that can be used to differentiate unit cell topologies and guide unit cell selection .
 metal, additively manufactured, structure characterization, data, be, unit cell topologies, unit cell
Please list all entity words in the text that fit the category. Output format is "word1, 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:
 metal, additively manufactured, structure characterization, data, be, unit cell topologies, unit cell