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If the part is produced by an extrusion process , then using the extrusion constraints will generate a shape that is extrudable across the defined design space .
 manufacturing process: extrusion process; manufacturing process: extrusion; concept or principle: design space
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: extrusion process; manufacturing process: extrusion; concept or principle: design space