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A complete metallurgical and mechanical assessment of additively-manufactured maraging tool steels has been undertaken , beginning with the initial powder and ending at hybrid builds .
 metallurgical, mechanical, maraging, steels, powder, builds
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:
 metallurgical, mechanical, maraging, steels, powder, builds