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The fused filament fabrication ( FFF ) -based AM specimens using both circular and square shaped nozzle were printed and compared with the conventional compression molded ( CM ) samples .
 manufacturing process: fused filament fabrication; manufacturing process: FFF; manufacturing process: AM; machine or equipment: nozzle; machanical property: compression; concept or principle: samples
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, AM, nozzle, compression, samples 
Answer:
 manufacturing process: fused filament fabrication; manufacturing process: FFF; manufacturing process: AM; machine or equipment: nozzle; machanical property: compression; concept or principle: samples