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In the WAAM process , the thermal gradient with deposition layers and alternate re-heating and re-cooling process result in the target part having anisotropic microstructural evolution and mechanical properties .
 manufacturing process: WAAM; concept or principle: process; process parameter: thermal gradient; process parameter: deposition layers; concept or principle: process; concept or principle: anisotropic microstructural evolution; concept or principle: mechanical properties
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:
 manufacturing process: WAAM; concept or principle: process; process parameter: thermal gradient; process parameter: deposition layers; concept or principle: process; concept or principle: anisotropic microstructural evolution; concept or principle: mechanical properties