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In uniaxial compression , Kelvin structures with thicker beams exhibited the highest strength of 10 MPa , and octet structures exhibited the lowest strength of 3.8 MPa .
 machanical property: compression; machanical property: strength; concept or principle: MPa; concept or principle: octet structures; machanical property: strength; concept or principle: MPa
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: compression, strength, MPa, octet structures, strength, MPa 
Answer:
 machanical property: compression; machanical property: strength; concept or principle: MPa; concept or principle: octet structures; machanical property: strength; concept or principle: MPa