893
Both cell walls and Si precipitates contribute to impeding the dislocation motion and development of dislocation networks .
 application: cell; material: Si; material: precipitates; concept or principle: dislocation motion; concept or principle: dislocation
Given options, please tell me the categories of all the listed entity words.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} 
 Entities: cell, Si, precipitates, dislocation motion, dislocation 
Answer:
 application: cell; material: Si; material: precipitates; concept or principle: dislocation motion; concept or principle: dislocation