3594
After the investigation of the corresponding microstructure , microhardness and tensile properties , it is revealed that the in-situ welding zone is fully joined and the mechanical properties of the in-situ welded part are comparable to that of the wrought counterpart .
 concept or principle: microstructure; concept or principle: microhardness; machanical property: tensile properties; concept or principle: in-situ; concept or principle: mechanical properties; concept or principle: in-situ; concept or principle: wrought
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: microstructure, microhardness, tensile properties, in-situ, mechanical properties, in-situ, wrought 
Answer:
 concept or principle: microstructure; concept or principle: microhardness; machanical property: tensile properties; concept or principle: in-situ; concept or principle: mechanical properties; concept or principle: in-situ; concept or principle: wrought