6252
No significant size of defects or undesirable phases such as Laves phases or macrosegregation was found in the microstructure .
 concept or principle: defects; material: as; concept or principle: macrosegregation; concept or principle: microstructure
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: defects, as, macrosegregation, microstructure 
Answer:
 concept or principle: defects; material: as; concept or principle: macrosegregation; concept or principle: microstructure