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However , provided that appropriate and sustainable pulping and fractionation processes are applied , bagasse can be utilized as a main source of cellulose nanofibrils ( CNF ) .
 sustainable, processes, bagasse, be, as, source, cellulose nanofibrils, CNF
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:
 sustainable, processes, bagasse, be, as, source, cellulose nanofibrils, CNF