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It was observed that , by changing the building direction from vertical to horizontal , columnar to equiaxed transition ( CET ) occurred in the alloy .
 process parameter: building direction; concept or principle: vertical; concept or principle: transition; material: alloy
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: building direction, vertical, transition, alloy 
Answer:
 process parameter: building direction; concept or principle: vertical; concept or principle: transition; material: alloy