3495
A multi-stage fabrication process based on 3D printing followed by fill with magnetic and conductive fluids is proposed .
 manufacturing process: fabrication; manufacturing process: 3D printing; material: fluids
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: fabrication, 3D printing, fluids 
Answer:
 manufacturing process: fabrication; manufacturing process: 3D printing; material: fluids