1988
This research provides guidelines and a framework for layer scaling for finite element modelling of the PBF-LB process .
 research, framework, layer, finite element modelling, process
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:
 research, framework, layer, finite element modelling, process