2322
Recent developments in additive manufacturing ( AM ) technologies involving heat and mass deposition have exposed the need for computationally efficient modeling of thermal field histories .
 additive manufacturing, AM, technologies, heat, deposition, modeling
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:
 additive manufacturing, AM, technologies, heat, deposition, modeling