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The manufacturing of Titanium through AM technology is marginally expensive and durable as it enables to create freedom in design community to fabricate user defined and complex structures which is hard to produce through other conventional manufacturing methods .
 manufacturing, Titanium, AM technology, as, design, fabricate, complex structures, conventional manufacturing
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:
 manufacturing, Titanium, AM technology, as, design, fabricate, complex structures, conventional manufacturing