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An efficient optimization method based on a support vector machine ( SVM ) is used to optimize multiple process parameters of selective electron beam melting ( SEBM ) for a non-weldable nickel-base superalloy Alloy713ELC .
 concept or principle: optimization; application: support; machine or equipment: machine; concept or principle: process parameters; manufacturing process: selective electron beam melting; manufacturing process: SEBM; material: nickel-base superalloy
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: optimization; application: support; machine or equipment: machine; concept or principle: process parameters; manufacturing process: selective electron beam melting; manufacturing process: SEBM; material: nickel-base superalloy