6825
Sc- Zr-modified Al-Mg alloy , processed by selective laser melting , offers excellent properties in the as processed condition , due to the formation of a desirable microstructure .
 material: Al-Mg alloy; concept or principle: processed; manufacturing process: selective laser melting; concept or principle: properties; material: as; concept or principle: microstructure
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: Al-Mg alloy, processed, selective laser melting, properties, as, microstructure 
Answer:
 material: Al-Mg alloy; concept or principle: processed; manufacturing process: selective laser melting; concept or principle: properties; material: as; concept or principle: microstructure