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The presence of newly generated ZrO2 particles decomposed by ZBC demonstrated a significant effect on the mechanical properties of the ceramic cores .
 material: ZrO2; concept or principle: particles; concept or principle: mechanical properties; machine or equipment: ceramic cores
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: ZrO2, particles, mechanical properties, ceramic cores 
Answer:
 material: ZrO2; concept or principle: particles; concept or principle: mechanical properties; machine or equipment: ceramic cores