7842
Further increased pressure resulted in lower tensile strength and modulus , as the material became stiffer pushing more matrix material to side leaving numerous fibers unbounded by the matrix .
 pressure, tensile strength, as, material, material, fibers
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:
 pressure, tensile strength, as, material, material, fibers