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Significant improvements to the throughput of additive manufacturing ( AM ) processes are essential to their cost-effectiveness and competitiveness with traditional processing routes .
 process characterization: throughput; manufacturing process: additive manufacturing; manufacturing process: AM; concept or principle: processes
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: throughput, additive manufacturing, AM, processes 
Answer:
 process characterization: throughput; manufacturing process: additive manufacturing; manufacturing process: AM; concept or principle: processes