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Dehurtevent , presented a study which provides promising results for manufacturing dense 3D alumina crown frameworks by SLA .
 manufacturing process: manufacturing; concept or principle: 3D; machine or equipment: crown; machine or equipment: SLA
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: manufacturing; concept or principle: 3D; machine or equipment: crown; machine or equipment: SLA