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With specific welding parameters , the maximum tilt angle of successful building increases from 50° to 60° when imposing electromagnetic confinement .
 manufacturing process: welding; concept or principle: parameters; engineering feature: tilt angle; concept or principle: electromagnetic confinement
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: welding, parameters, tilt angle, electromagnetic confinement 
Answer:
 manufacturing process: welding; concept or principle: parameters; engineering feature: tilt angle; concept or principle: electromagnetic confinement