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Parts fabricated using additive manufacturing ( AM ) methods , such as laser-powder bed fusion ( L-PBF ) , receive highly localized heat fluxes from a laser within a purged , inert environment during manufacture .
 concept or principle: fabricated; manufacturing process: additive manufacturing; manufacturing process: AM; material: as; manufacturing process: bed fusion; manufacturing process: L-PBF; concept or principle: heat fluxes; enabling technology: laser; concept or principle: manufacture
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: fabricated, additive manufacturing, AM, as, bed fusion, L-PBF, heat fluxes, laser, manufacture 
Answer:
 concept or principle: fabricated; manufacturing process: additive manufacturing; manufacturing process: AM; material: as; manufacturing process: bed fusion; manufacturing process: L-PBF; concept or principle: heat fluxes; enabling technology: laser; concept or principle: manufacture