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However , cermet layers deposited with 10 wt. % or more YSZ developed a thin layer of YSZ on the surface .
 material: cermet; material: YSZ; process parameter: layer; material: YSZ; concept or principle: surface
Given options, please tell me the categories of all the listed entity words.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} 
 Entities: cermet, YSZ, layer, YSZ, surface 
Answer:
 material: cermet; material: YSZ; process parameter: layer; material: YSZ; concept or principle: surface