9051
In this study , we investigated the processability , microstructure , and mechanical performance of twin-screw compounded short carbon fiber reinforced polyphenylene sulfide ( PPS ) pellets as a feedstock material for big area AM ( BAAM ) .
 concept or principle: microstructure; application: mechanical; material: short carbon fiber reinforced polyphenylene sulfide; concept or principle: pellets; material: as; material: feedstock material; process parameter: area; manufacturing process: AM
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: microstructure, mechanical, short carbon fiber reinforced polyphenylene sulfide, pellets, as, feedstock material, area, AM 
Answer:
 concept or principle: microstructure; application: mechanical; material: short carbon fiber reinforced polyphenylene sulfide; concept or principle: pellets; material: as; material: feedstock material; process parameter: area; manufacturing process: AM