9152
The prototype system achieves a volumetric build rate of 127 cm3/hr , which is approximately 7-fold greater than commercial desktop FFF systems , at comparable resolution ; the maximum extrusion rate of the printhead is ∼14-fold greater ( 282 cm3/hr ) than our benchmarks .
 prototype, build rate, FFF, resolution, extrusion rate
Please list all entity words in the text that fit the category. Output format is "word1, 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} 
Answer:
 prototype, build rate, FFF, resolution, extrusion rate