6753
The results revealed that the loading direction is critical to the mechanical integrity of the alloy , due to the specific orientation of the microstructural interfaces and defects .
 machanical property: mechanical integrity; material: alloy; concept or principle: orientation; concept or principle: microstructural; concept or principle: defects
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: mechanical integrity, alloy, orientation, microstructural, defects 
Answer:
 machanical property: mechanical integrity; material: alloy; concept or principle: orientation; concept or principle: microstructural; concept or principle: defects