8759
To determine the conditions needed to consistently create fine conductive lines , we simulated the volumetric flow rate and analyzed the effects on line geometry of several printing parameters including valve opening , dispensing gap , and substrate translation speed .
 process parameter: flow rate; concept or principle: geometry; concept or principle: parameters; material: substrate
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: flow rate, geometry, parameters, substrate 
Answer:
 process parameter: flow rate; concept or principle: geometry; concept or principle: parameters; material: substrate