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Selective Laser Sintering ( SLS ) is a rapidly growing additive manufacturing process , because it has the capacity to build parts from a variety of materials .
 Selective Laser Sintering, SLS, additive manufacturing process, capacity, build, materials
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:
 Selective Laser Sintering, SLS, additive manufacturing process, capacity, build, materials