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Besides highlighting possible process improvements , the mechanical characterisation carried out in this work promises a significant contribution to the abilities of designing and simulating general 3D printed composite parts .
 process, mechanical, 3D printed
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:
 process, mechanical, 3D printed