4975
However , simulating complete SLM builds is challenging due to the difference in scale between the size of the particles and laser used in the build and the size of the part produced .
 SLM, builds, particles, laser, build
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:
 SLM, builds, particles, laser, build