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The third stage corresponds to the final check and optimization of process characteristics with respect to the best possible properties of the manufactured objects .
 concept or principle: optimization; concept or principle: process; concept or principle: properties; concept or principle: manufactured
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:
 concept or principle: optimization; concept or principle: process; concept or principle: properties; concept or principle: manufactured