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The process begins with a 3D model in CAD software before converting it in STL format file .
 concept or principle: process; application: 3D model; enabling technology: CAD; manufacturing standard: STL format; manufacturing standard: file
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:
 concept or principle: process; application: 3D model; enabling technology: CAD; manufacturing standard: STL format; manufacturing standard: file