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This is partly because there are still significant uncertainties concerning the quality of AM builds.This paper introduces a machine learning algorithm for the automatic detection of faults in AM products .
 concept or principle: quality; manufacturing process: AM; enabling technology: machine learning algorithm; manufacturing process: AM
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: quality, AM, machine learning algorithm, AM 
Answer:
 concept or principle: quality; manufacturing process: AM; enabling technology: machine learning algorithm; manufacturing process: AM