8452
The liquid preceramic polymer ( polysilazane type ) quickly infiltrates the 3D scaffolds , under vacuum conditions , entirely covering the GO network creating a replica of the original scaffold .
 material: polymer; concept or principle: 3D; material: GO; engineering feature: scaffold
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: polymer, 3D, GO, scaffold 
Answer:
 material: polymer; concept or principle: 3D; material: GO; engineering feature: scaffold