8569
This study focuses on the characterization of additive manufacturing technology based on composite filament fabrication ( CFF ) .
 manufacturing process: additive manufacturing; material: composite; manufacturing process: fabrication
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: additive manufacturing, composite, fabrication 
Answer:
 manufacturing process: additive manufacturing; material: composite; manufacturing process: fabrication