1598
The 3D printing process was implemented through Ephestus , a specially developed EAM machine for the manufacturing of parts from alumina feedstock .
 manufacturing process: 3D printing; machine or equipment: machine; manufacturing process: manufacturing; material: alumina
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, machine, manufacturing, alumina 
Answer:
 manufacturing process: 3D printing; machine or equipment: machine; manufacturing process: manufacturing; material: alumina