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Selective electron beam melting ( SEBM ) is shown to be a viable production route for titanium aluminides components .
 Selective electron beam melting, SEBM, be, production, titanium, components
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:
 Selective electron beam melting, SEBM, be, production, titanium, components