6297
In order to link the melt pool morphology with the heat input , Volumetric Energy Density , Normalized Enthalpy and Rosenthal equation were considered .
 material: melt pool; concept or principle: heat; process parameter: Energy Density; concept or principle: Rosenthal equation
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: melt pool, heat, Energy Density, Rosenthal equation 
Answer:
 material: melt pool; concept or principle: heat; process parameter: Energy Density; concept or principle: Rosenthal equation