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3D printed parts exhibit unique characteristics , such as a nonplastic and warm touch , a natural colour and the release of a pleasant odour during the printing process .
 application: 3D printed parts; material: as; manufacturing process: printing process
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 printed parts, as, printing process 
Answer:
 application: 3D printed parts; material: as; manufacturing process: printing process