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Modeling and prediction of the IMC thickness in the friction stir welding ( FSW ) process is an important role that has not been elaborated in the literature .
 enabling technology: Modeling; concept or principle: prediction; manufacturing process: friction stir welding; manufacturing process: FSW; concept or principle: process
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: 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:
 enabling technology: Modeling; concept or principle: prediction; manufacturing process: friction stir welding; manufacturing process: FSW; concept or principle: process