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Microstructure of an additively manufactured AlSi10Mg through direct metal laser sintering ( DMLS ) process is studied using multi-scale characterization techniques including scanning electron microscopy , electron backscatter diffraction , and transmission electron microscopy .
 concept or principle: Microstructure; manufacturing process: additively manufactured; manufacturing process: direct metal laser sintering; manufacturing process: DMLS; concept or principle: process; process characterization: scanning electron microscopy; process characterization: electron backscatter diffraction; process characterization: transmission electron microscopy
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: Microstructure, additively manufactured, direct metal laser sintering, DMLS, process, scanning electron microscopy, electron backscatter diffraction, transmission electron microscopy 
Answer:
 concept or principle: Microstructure; manufacturing process: additively manufactured; manufacturing process: direct metal laser sintering; manufacturing process: DMLS; concept or principle: process; process characterization: scanning electron microscopy; process characterization: electron backscatter diffraction; process characterization: transmission electron microscopy