8177
AM of ceramic components using PDCs has been demonstrated with a number of high-cost techniques , but data is lacking for fused filament fabrication ( FFF ) -based 3-D printing .
 manufacturing process: AM; material: ceramic; concept or principle: data; manufacturing process: fused filament fabrication; manufacturing process: FFF; concept or principle: 3-D
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: AM, ceramic, data, fused filament fabrication, FFF, 3-D 
Answer:
 manufacturing process: AM; material: ceramic; concept or principle: data; manufacturing process: fused filament fabrication; manufacturing process: FFF; concept or principle: 3-D