8568
In short , using the same feedstock material , the offset method produces a stiffer material with a higher fictitious shear strength than the aligned method of FFF printing .
 feedstock material, offset, material, shear strength, FFF
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:
 feedstock material, offset, material, shear strength, FFF