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Experimental data and theoretical modeling presented here improve our fundamental understanding of heat transfer in polymer additive manufacturing , and may contribute towards design tools for thermal optimization of these processes .
 Experimental data, theoretical, modeling, heat transfer, polymer additive manufacturing, design, optimization, processes
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:
 Experimental data, theoretical, modeling, heat transfer, polymer additive manufacturing, design, optimization, processes