7231
The method developed here provides a new tool to assist in optimising scan strategies and parameters , identifying the causes of defect prone locations and controlling cooling rates for local microstructure development .
 machine or equipment: tool; concept or principle: parameters; concept or principle: defect; process parameter: cooling rates; 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: tool, parameters, defect, cooling rates, microstructure 
Answer:
 machine or equipment: tool; concept or principle: parameters; concept or principle: defect; process parameter: cooling rates; concept or principle: microstructure