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Developing new materials specifically for additive manufacturing that can utilize the properties and specifics of the method in full is still a research and development subject , and such materials are yet far from full scale industrial usage .
 materials, additive manufacturing, properties, research, materials, industrial
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:
 materials, additive manufacturing, properties, research, materials, industrial