3357
A controller that modulates print speed and deposition rate on a per-layer basis was developed and demonstrated , enabling the control of either average melt pool size alone or average laser power in coordination with real-time melt pool size control .
 controller, print, deposition rate, average, average, power, melt pool
Please list all entity words in the text that fit the category. Output format is "word1, 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} 
Answer:
 controller, print, deposition rate, average, average, power, melt pool