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The DLP-system used in this study creates a ceramic green part by stacking up layers of a photo-curable resin with a solid loading of around 45 vol. % zirconia .
 material: ceramic; material: photo-curable resin; material: zirconia
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: ceramic, photo-curable resin, zirconia 
Answer:
 material: ceramic; material: photo-curable resin; material: zirconia