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As an important factor during direct energy deposition ( DED ) additive manufacturing process , powder stream distribution will not only affect the deposition rate , but also the powder-gas and power-powder interactions , and thus the consequent quality and property of the fabricated part .
 As, direct energy deposition, DED, additive manufacturing process, powder, distribution, deposition rate, quality, property, 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:
 As, direct energy deposition, DED, additive manufacturing process, powder, distribution, deposition rate, quality, property, fabricated