5480
In this work , the molten pool characteristics and spatter behavior in LPBF with a high power and a wide process window ( from 350 W to 1550 W ) are studied based on high-speed high-resolution imaging .
 molten pool, spatter, LPBF, power, process, high-resolution
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:
 molten pool, spatter, LPBF, power, process, high-resolution