3090
In particular , the forming qualities are further compared under the optimal process condition to highlight the decisive role of powder features .
 forming, optimal process, powder
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:
 forming, optimal process, powder