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Ultrasonic additive manufacturing is a promising approach for making net-shaped multi-material laminates from material combinations difficult to process with fusion-based additive manufacturing techniques .
 manufacturing process: Ultrasonic additive manufacturing; concept or principle: multi-material laminates; material: material; concept or principle: process; manufacturing process: additive manufacturing
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: Ultrasonic additive manufacturing; concept or principle: multi-material laminates; material: material; concept or principle: process; manufacturing process: additive manufacturing