5078
Alumina toughened zirconia ( ATZ ) parts were produced via a laser-based powder bed fusion technology using a conventional Nd-YAG continuous wave laser .
 Alumina, zirconia, powder bed fusion, continuous wave
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:
 Alumina, zirconia, powder bed fusion, continuous wave