8840
A possible application of the closed cell is for fabricating the load bearing structure ; it can also be encapsulated within a fluid to impart strength and damping characteristics .
 cell, fabricating, structure, be, fluid, strength
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:
 cell, fabricating, structure, be, fluid, strength