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The high cooling rates of DED produced a single-phase , cellular microstructure with cells on the order of 4 μm in diameter and inter-cellular regions that were enriched in Mn and Ni .
 process parameter: cooling rates; manufacturing process: DED; concept or principle: microstructure; application: cells; concept or principle: diameter; material: Mn; material: Ni
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: cooling rates, DED, microstructure, cells, diameter, Mn, Ni 
Answer:
 process parameter: cooling rates; manufacturing process: DED; concept or principle: microstructure; application: cells; concept or principle: diameter; material: Mn; material: Ni