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For example , choosing ceramic powders with an adequate granulometric distribution , adding dopants or a viscous liquid-forming phase , infiltrating the sintered body with vitreous materials and applying cold/hot isostatic pressure to the green body .
 material: ceramic powders; process characterization: granulometric distribution; material: dopants; concept or principle: phase; concept or principle: infiltrating; manufacturing process: sintered; process characterization: vitreous; concept or principle: materials; process parameter: cold/hot isostatic pressure; concept or principle: green body
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: ceramic powders; process characterization: granulometric distribution; material: dopants; concept or principle: phase; concept or principle: infiltrating; manufacturing process: sintered; process characterization: vitreous; concept or principle: materials; process parameter: cold/hot isostatic pressure; concept or principle: green body