4578
Compositionally graded bonding was unsuccessful with the formation of brittle intermetallics and related residual stresses causing delamination .
 concept or principle: bonding; machanical property: brittle; machanical property: residual stresses; concept or principle: delamination
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: bonding, brittle, residual stresses, delamination 
Answer:
 concept or principle: bonding; machanical property: brittle; machanical property: residual stresses; concept or principle: delamination