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The z-pinning process is demonstrated using a Fused Filament Fabrication ( FFF ) printer for polylactic acid ( PLA ) and carbon fiber reinforced PLA .
 enabling technology: z-pinning; concept or principle: process; manufacturing process: Fused Filament Fabrication; manufacturing process: FFF; machine or equipment: printer; material: polylactic acid; material: PLA; material: carbon fiber reinforced PLA
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: z-pinning, process, Fused Filament Fabrication, FFF, printer, polylactic acid, PLA, carbon fiber reinforced PLA 
Answer:
 enabling technology: z-pinning; concept or principle: process; manufacturing process: Fused Filament Fabrication; manufacturing process: FFF; machine or equipment: printer; material: polylactic acid; material: PLA; material: carbon fiber reinforced PLA