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A multi-component and multi-phase-field modelling approach , combined with transformation kinetics modelling , was used to model microstructure evolution during laser metal powder directed energy deposition of Alloy 718 and subsequent heat treatments .
 enabling technology: modelling; enabling technology: modelling; concept or principle: model microstructure; concept or principle: evolution; enabling technology: laser; material: powder; manufacturing process: directed energy deposition; material: Alloy; manufacturing process: heat treatments
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, modelling, model microstructure, evolution, laser, powder, directed energy deposition, Alloy, heat treatments 
Answer:
 enabling technology: modelling; enabling technology: modelling; concept or principle: model microstructure; concept or principle: evolution; enabling technology: laser; material: powder; manufacturing process: directed energy deposition; material: Alloy; manufacturing process: heat treatments