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Fused Filament Fabrication ( FFF ) , one of the most popular processes of 3D printing , offers flexibility in manufacturing and introduces anisotropic properties to the final parts .
 manufacturing process: Fused Filament Fabrication; manufacturing process: FFF; concept or principle: processes; manufacturing process: 3D printing; concept or principle: flexibility in manufacturing; machanical property: anisotropic
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: Fused Filament Fabrication, FFF, processes, 3D printing, flexibility in manufacturing, anisotropic 
Answer:
 manufacturing process: Fused Filament Fabrication; manufacturing process: FFF; concept or principle: processes; manufacturing process: 3D printing; concept or principle: flexibility in manufacturing; machanical property: anisotropic