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This work explores the feasibility of using the Abrasive Fluidized Bed ( AFB ) method to finish flat AlSi10Mg substrates manufactured by Direct Metal Laser Sintering ( DMLS ) .
 concept or principle: feasibility; material: Abrasive; machine or equipment: Bed; material: AlSi10Mg; concept or principle: manufactured; manufacturing process: Direct Metal Laser Sintering; manufacturing process: DMLS
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: feasibility, Abrasive, Bed, AlSi10Mg, manufactured, Direct Metal Laser Sintering, DMLS 
Answer:
 concept or principle: feasibility; material: Abrasive; machine or equipment: Bed; material: AlSi10Mg; concept or principle: manufactured; manufacturing process: Direct Metal Laser Sintering; manufacturing process: DMLS