3655
Yield strength , ultimate tensile strength , and microhardness of samples with a relative density of 99 % were measured to be 540 ± 15 MPa , 660 ± 20 MPa and 254 ± 7 HV , respectively and higher than mechanical properties of conventionally manufactured 304L stainless steel .
 machanical property: Yield strength; machanical property: ultimate tensile strength; concept or principle: microhardness; concept or principle: samples; machanical property: relative density; material: be; concept or principle: MPa; concept or principle: MPa; concept or principle: mechanical properties; concept or principle: manufactured; material: stainless steel
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: Yield strength, ultimate tensile strength, microhardness, samples, relative density, be, MPa, MPa, mechanical properties, manufactured, stainless steel 
Answer:
 machanical property: Yield strength; machanical property: ultimate tensile strength; concept or principle: microhardness; concept or principle: samples; machanical property: relative density; material: be; concept or principle: MPa; concept or principle: MPa; concept or principle: mechanical properties; concept or principle: manufactured; material: stainless steel