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This method of introducing an interfacial composite structure to improve MM bonding is envisioned to be applicable for the SLM of other metallic combinations as well .
 concept or principle: composite structure; manufacturing process: MM; concept or principle: bonding; material: be; manufacturing process: SLM; material: metallic; material: as
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: composite structure, MM, bonding, be, SLM, metallic, as 
Answer:
 concept or principle: composite structure; manufacturing process: MM; concept or principle: bonding; material: be; manufacturing process: SLM; material: metallic; material: as