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With subsequent solution heat treatment , the Si particles on the low angle cell boundaries ( LACBs ) dissolve while those at the high angle grain boundaries ( HAGBs ) coarsen .
 manufacturing process: solution heat treatment; material: Si; concept or principle: particles; application: cell; engineering feature: boundaries; concept or principle: grain boundaries
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: solution heat treatment, Si, particles, cell, boundaries, grain boundaries 
Answer:
 manufacturing process: solution heat treatment; material: Si; concept or principle: particles; application: cell; engineering feature: boundaries; concept or principle: grain boundaries