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TiB reinforced near α Ti-matrix composite was fabricated in this work using selective laser melting from a mixture of CrB2 and commercially pure Ti powders .
 concept or principle: reinforced; material: composite; concept or principle: fabricated; manufacturing process: selective laser melting; material: Ti powders
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: reinforced, composite, fabricated, selective laser melting, Ti powders 
Answer:
 concept or principle: reinforced; material: composite; concept or principle: fabricated; manufacturing process: selective laser melting; material: Ti powders