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Layered Assembly is a voxel-based additive manufacturing method in which premanufactured voxels serve as the feedstock for producing multi-material parts .
 Assembly, additive manufacturing, voxels, as, feedstock, multi-material
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:
 Assembly, additive manufacturing, voxels, as, feedstock, multi-material