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In this work , we incorporate a reversible addition-fragmentation chain transfer ( RAFT ) agent into a glassy acrylate formulation to modify mechanical properties and improve resolution of objects printed using digital light processing ( DLP ) SL .
 RAFT, mechanical properties, resolution, digital light processing, DLP, SL
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:
 RAFT, mechanical properties, resolution, digital light processing, DLP, SL