9141
A shape optimization method is employed to compute the shape of the polymer melt flow free surface below the nozzle exit as the bead is deposited on a moving print platform .
 concept or principle: optimization; material: polymer melt; concept or principle: free surface; machine or equipment: nozzle; material: as; process characterization: bead; manufacturing process: print; machine or equipment: platform
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: optimization, polymer melt, free surface, nozzle, as, bead, print, platform 
Answer:
 concept or principle: optimization; material: polymer melt; concept or principle: free surface; machine or equipment: nozzle; material: as; process characterization: bead; manufacturing process: print; machine or equipment: platform