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The modified rule of mixtures is the simplest method to predict the tensile properties of short fiber composites , by assuming perfect fiberinterfacial bonding .
 concept or principle: rule of mixtures; machanical property: tensile properties; material: short fiber composites; concept or principle: fiberinterfacial bonding
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:
 concept or principle: rule of mixtures; machanical property: tensile properties; material: short fiber composites; concept or principle: fiberinterfacial bonding