4395
Through modelling this process analytically , particle self-shielding is shown to impose unavoidable upper limits on overall powder capture efficiency for the L-DED process .
 enabling technology: modelling; concept or principle: process; concept or principle: particle; concept or principle: limits; material: powder; concept or principle: process
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: modelling, process, particle, limits, powder, process 
Answer:
 enabling technology: modelling; concept or principle: process; concept or principle: particle; concept or principle: limits; material: powder; concept or principle: process