6502
Together , these findings , provide a route towards optimising scan strategies at the meso-scale , and additionally , developing a model abstraction for predicting residual stress based on scan vectors alone .
 model abstraction, residual stress
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:
 model abstraction, residual stress