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Different from conventional L-DED processes , the impact of higher mass addition on the melt pool fluid flow and temperature distribution is significant .
 processes, impact, melt pool, fluid flow, temperature, distribution
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:
 processes, impact, melt pool, fluid flow, temperature, distribution