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Additive manufacturing ( AM ) has several possible advantages over traditional manufacturing including increased design freedom , reduced material usage , and shorter lead-times .
 manufacturing process: Additive manufacturing; manufacturing process: AM; manufacturing process: traditional manufacturing; concept or principle: design freedom; material: material
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: Additive manufacturing, AM, traditional manufacturing, design freedom, material 
Answer:
 manufacturing process: Additive manufacturing; manufacturing process: AM; manufacturing process: traditional manufacturing; concept or principle: design freedom; material: material