581
In this study , multiple layers of Yttria-stabilized zirconia ( YSZ ) films are jointed between layers of Al 6061-H18 matrix using a 9 kW UAM system .
 material: zirconia; material: YSZ; material: Al; manufacturing process: UAM
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: 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:
 material: zirconia; material: YSZ; material: Al; manufacturing process: UAM