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Vat photopolymerization is the first commercial additive manufacturing method that is used to create a layer of solidified material using ultraviolet radiation to selectively polymerize a curable resin until a complete part is formed .
 manufacturing process: Vat photopolymerization; manufacturing process: additive manufacturing; process parameter: layer; material: material; concept or principle: ultraviolet radiation; material: curable resin
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: Vat photopolymerization; manufacturing process: additive manufacturing; process parameter: layer; material: material; concept or principle: ultraviolet radiation; material: curable resin