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In the case of PAF , the decrease in failure index was 76 % , but the reduction of deformation was not significant ( 6 % ) .
 concept or principle: failure; concept or principle: reduction; concept or principle: deformation
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: failure, reduction, deformation 
Answer:
 concept or principle: failure; concept or principle: reduction; concept or principle: deformation