8558
Pressure readings ranging from 140 to 6900 kPa were measured over a range of filament feed rates and corresponding extrusion flow rates .
 concept or principle: Pressure; process parameter: range; material: filament; process parameter: feed; manufacturing process: extrusion
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: Pressure, range, filament, feed, extrusion 
Answer:
 concept or principle: Pressure; process parameter: range; material: filament; process parameter: feed; manufacturing process: extrusion