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Specifically , the authors create photopolymer suspensions featuring quantum dots – a nanoparticle that absorbs ultraviolet light and emits light in the visible spectrum – that are then embedded into objects created by PolyJet material jetting .
 material: photopolymer; concept or principle: ultraviolet light; manufacturing process: PolyJet material jetting
Given options, please tell me the categories of all the listed entity words.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} 
 Entities: photopolymer, ultraviolet light, PolyJet material jetting 
Answer:
 material: photopolymer; concept or principle: ultraviolet light; manufacturing process: PolyJet material jetting