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This innovative manufacturing system is based on a multi-planar build approach to improve on many of the limitations associated with AM , such as poor surface finish , low geometric tolerance and poor robustness .
 manufacturing system, build, AM, as, surface finish, geometric tolerance, robustness
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:
 manufacturing system, build, AM, as, surface finish, geometric tolerance, robustness