5093
A good performance on achieving uniform geometry by closed-loop control of the molten pool size was approved .
 concept or principle: performance; concept or principle: geometry; machine or equipment: closed-loop control; concept or principle: molten pool
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: performance, geometry, closed-loop control, molten pool 
Answer:
 concept or principle: performance; concept or principle: geometry; machine or equipment: closed-loop control; concept or principle: molten pool