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Using the validated model and optimal mechanical parameters , the evolution of thermo-mechanical fields in LSF has been analyzed .
 model, mechanical, evolution, thermo-mechanical
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:
 model, mechanical, evolution, thermo-mechanical