7903
Although 3D printing technologies have demonstrated great potential in fabricating patient-specific phantoms , current 3D printed phantoms are usually only geometrically accurate .
 enabling technology: 3D printing technologies; manufacturing process: fabricating; manufacturing process: 3D printed; process characterization: accurate
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: 3D printing technologies, fabricating, 3D printed, accurate 
Answer:
 enabling technology: 3D printing technologies; manufacturing process: fabricating; manufacturing process: 3D printed; process characterization: accurate