1170
There is a linear relationship between the droplet diameter and the cubic root of the wire feeding speed .
 concept or principle: droplet; concept or principle: diameter; process parameter: wire feeding
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: droplet, diameter, wire feeding 
Answer:
 concept or principle: droplet; concept or principle: diameter; process parameter: wire feeding