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After imaging , the half-stressed bar was pulled to failure ; the fracture point is correlated with a feature in the line probe having enhanced neutron scattering .
 imaging, failure, fracture, correlated, feature, probe, neutron scattering
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:
 imaging, failure, fracture, correlated, feature, probe, neutron scattering