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Additive manufacturing is already prevalent in the aerospace industry and is an enabling technology of significant potential for weight savings , cost reduction , tool repair , and just-in-time manufacturing .
 manufacturing process: Additive manufacturing; application: aerospace industry; concept or principle: technology; process parameter: weight; concept or principle: cost reduction; machine or equipment: tool; manufacturing process: manufacturing
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: Additive manufacturing, aerospace industry, technology, weight, cost reduction, tool, manufacturing 
Answer:
 manufacturing process: Additive manufacturing; application: aerospace industry; concept or principle: technology; process parameter: weight; concept or principle: cost reduction; machine or equipment: tool; manufacturing process: manufacturing