292
Due to the microstructure changes and the porosity suppression , the O-LHAM almost eliminated the anisotropy of tensile strength and improved the elongation by up to 34 % .
 concept or principle: microstructure; machanical property: porosity; machanical property: anisotropy; machanical property: tensile strength; machanical property: elongation
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, porosity, anisotropy, tensile strength, elongation 
Answer:
 concept or principle: microstructure; machanical property: porosity; machanical property: anisotropy; machanical property: tensile strength; machanical property: elongation