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In this study , the mutual influence between formulation parameters , printing properties and mechanical properties of ceramic pastes ( Al2O3 ) and the resulting green bodies are investigated .
 parameters, properties, mechanical properties, ceramic, Al2O3, green bodies
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:
 parameters, properties, mechanical properties, ceramic, Al2O3, green bodies