1491
The PolyJet technique reproduced details more accurately with a very good surface finish and smoothness .
 manufacturing process: PolyJet technique; process characterization: accurately; engineering feature: surface finish; concept or principle: smoothness
Please list all entity words in the text that fit the category.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} 
Answer:
 manufacturing process: PolyJet technique; process characterization: accurately; engineering feature: surface finish; concept or principle: smoothness