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The microhardness of each zone is determined by the local microstructure , and the macro tensile properties largely depend on the EBM base metal due to the internal defects generated during the EBM process .
 concept or principle: microhardness; concept or principle: microstructure; engineering feature: macro; concept or principle: properties; manufacturing process: EBM; material: base metal; concept or principle: defects; manufacturing process: EBM
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: microhardness; concept or principle: microstructure; engineering feature: macro; concept or principle: properties; manufacturing process: EBM; material: base metal; concept or principle: defects; manufacturing process: EBM