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The fabrication of smart parts using additive manufacturing ( AM ) technology can allow the flexibility of embedding a sensor within a structure without compromising the structure and/or functionality .
 manufacturing process: fabrication; manufacturing process: additive manufacturing; manufacturing process: AM; concept or principle: technology; machanical property: flexibility; machine or equipment: sensor; concept or principle: structure; concept or principle: structure
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: fabrication, additive manufacturing, AM, technology, flexibility, sensor, structure, structure 
Answer:
 manufacturing process: fabrication; manufacturing process: additive manufacturing; manufacturing process: AM; concept or principle: technology; machanical property: flexibility; machine or equipment: sensor; concept or principle: structure; concept or principle: structure