460
It is found that an increase in aluminum caused both tensile strength and 0.2 % offset Yield Strength to increase , however , increase in yield strength was very significant ( 155 MPa i.e .
 material: aluminum; machanical property: tensile strength; concept or principle: offset; machanical property: Strength; machanical property: yield strength; concept or principle: MPa
Please list all entity words in the text that fit the category.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} 
Answer:
 material: aluminum; machanical property: tensile strength; concept or principle: offset; machanical property: Strength; machanical property: yield strength; concept or principle: MPa