4894
Demonstrated real-time closed-loop control of cured height in photopolymer AM with the interferometry and an empirical dark curing model .
 machine or equipment: closed-loop control; manufacturing process: cured; material: photopolymer; manufacturing process: AM; concept or principle: interferometry; concept or principle: empirical; manufacturing process: curing
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: closed-loop control, cured, photopolymer, AM, interferometry, empirical, curing 
Answer:
 machine or equipment: closed-loop control; manufacturing process: cured; material: photopolymer; manufacturing process: AM; concept or principle: interferometry; concept or principle: empirical; manufacturing process: curing