2381
Anisotropy of LB-PBF 316L SS specimens was attributed to the variation in layer orientation , affecting defects ’ directionality with respect to the loading direction .
 Anisotropy, SS, variation, layer, defects
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:
 Anisotropy, SS, variation, layer, defects