7901
The calculated parameters ( e.g. , moduli ) from numerical fitting curves demonstrated the synergetic effect of PLA-g-CNFs and annealing treatment on the enahncement of flexural properties for 3D printed PLA composites .
 parameters, annealing treatment, properties, 3D printed, composites
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:
 parameters, annealing treatment, properties, 3D printed, composites