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The use of more advanced binder-free additive manufacturing technique such as Electron Beam Melting ( EBM ) allows obtaining fully-dense magnetic materials with advanced topology and complex shapes .
 concept or principle: binder-free; manufacturing process: additive manufacturing; material: as; machine or equipment: Beam; manufacturing process: EBM; concept or principle: materials; concept or principle: topology; machanical property: complex shapes
Given options, please tell me the categories of all the listed entity words.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} 
 Entities: binder-free, additive manufacturing, as, Beam, EBM, materials, topology, complex shapes 
Answer:
 concept or principle: binder-free; manufacturing process: additive manufacturing; material: as; machine or equipment: Beam; manufacturing process: EBM; concept or principle: materials; concept or principle: topology; machanical property: complex shapes