1196
That model is suitable for the pure ( intrinsic ) diffusion process and does not consider the main unique characteristic of FSW , i.e. , the stirring and subsequent linear velocity of particles ( that has an impact on the diffusion process ) .
 concept or principle: model; concept or principle: diffusion; manufacturing process: FSW; concept or principle: particles; concept or principle: impact; concept or principle: diffusion
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:
 concept or principle: model; concept or principle: diffusion; manufacturing process: FSW; concept or principle: particles; concept or principle: impact; concept or principle: diffusion