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Dealing with non-assembly mechanisms , design rules are discussed mainly referring to polymer-based AM processes like extrusion-based , material jetting , and vat photopolymerization processes .
 concept or principle: design rules; manufacturing process: AM processes; manufacturing process: material jetting; manufacturing process: vat photopolymerization; concept or principle: processes
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: design rules; manufacturing process: AM processes; manufacturing process: material jetting; manufacturing process: vat photopolymerization; concept or principle: processes