889
These characteristics included grain and cell structures , nanoscale Si precipitates and pre-existing dislocation networks .
 concept or principle: grain; application: cell; material: Si; material: precipitates; 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: grain, cell, Si, precipitates, dislocation 
Answer:
 concept or principle: grain; application: cell; material: Si; material: precipitates; concept or principle: dislocation