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We demonstrate a novel Fused Filament Fabrication ( FFF ) nozzle design to enable measurements of in-situ conditions inside FFF nozzles , which is critical to ensuring that the polymer extrudate is flowing at appropriate temperature and flow rate during the part build process .
 manufacturing process: Fused Filament Fabrication; manufacturing process: FFF; machine or equipment: nozzle; engineering feature: design; concept or principle: in-situ; manufacturing process: FFF; material: polymer extrudate; process parameter: temperature; process parameter: flow rate; process parameter: build
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, nozzle, design, in-situ, FFF, polymer extrudate, temperature, flow rate, build 
Answer:
 manufacturing process: Fused Filament Fabrication; manufacturing process: FFF; machine or equipment: nozzle; engineering feature: design; concept or principle: in-situ; manufacturing process: FFF; material: polymer extrudate; process parameter: temperature; process parameter: flow rate; process parameter: build