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This currently refers to either of topology optimization or generative design , which can often be used interchangeably in the context of AM both involve the use of simulation .
 engineering feature: topology optimization; enabling technology: generative design; material: be; manufacturing process: AM; enabling technology: simulation
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:
 engineering feature: topology optimization; enabling technology: generative design; material: be; manufacturing process: AM; enabling technology: simulation