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This degradation was especially sensitive in parts printed in the vertical direction , which resulted in an ultimate failure strain of only 1 % .
 concept or principle: degradation; concept or principle: vertical; concept or principle: failure
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: degradation, vertical, failure 
Answer:
 concept or principle: degradation; concept or principle: vertical; concept or principle: failure