7419
Additive manufacturing is an attractive technology for many high-tech sectors such as energy , automotive and aerospace because of the freedom in designing and high performance of the fabricated objects .
 Additive manufacturing, technology, as, automotive, aerospace, performance, fabricated
Please list all entity words in the text that fit the category. Output format is "word1, 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:
 Additive manufacturing, technology, as, automotive, aerospace, performance, fabricated