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The structure and properties of welded and additively manufactured alloys are affected by the microstructural evolution in the fusion zone ( FZ ) and heat affected zone ( HAZ ) .
 concept or principle: structure; concept or principle: properties; manufacturing process: welded; manufacturing process: additively manufactured; concept or principle: microstructural evolution; concept or principle: fusion zone; concept or principle: FZ; concept or principle: heat affected zone; concept or principle: HAZ
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: structure; concept or principle: properties; manufacturing process: welded; manufacturing process: additively manufactured; concept or principle: microstructural evolution; concept or principle: fusion zone; concept or principle: FZ; concept or principle: heat affected zone; concept or principle: HAZ