4197
The model accounts for the major physics taking place during the laser-scanning step of the L-PBF process .
 concept or principle: model; concept or principle: physics; concept or principle: step; manufacturing process: L-PBF
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: 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} 
 Entities: model, physics, step, L-PBF 
Answer:
 concept or principle: model; concept or principle: physics; concept or principle: step; manufacturing process: L-PBF