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In general this will end in a blended part that exhibits some of the properties of the metal like improved surface hardness or heat deflection .
 concept or principle: properties; material: metal; concept or principle: surface; machanical property: hardness; concept or principle: heat deflection
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: properties; material: metal; concept or principle: surface; machanical property: hardness; concept or principle: heat deflection