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New articles showed that the medical 3D Printing market might reach 983.2 million $ by the year 2020 .
 application: medical; manufacturing process: 3D Printing
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: medical, 3D Printing 
Answer:
 application: medical; manufacturing process: 3D Printing