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To understand processing ability and measure resultant interfacial and thermal properties of Inconel 718 and copper alloy GRCop-84 , bimetallic structures were fabricated using laser engineering net shaping ( LENS™ ) , a commercially available additive manufacturing technique .
 concept or principle: thermal properties; material: Inconel 718; material: copper alloy; concept or principle: fabricated; enabling technology: laser; application: engineering; manufacturing process: shaping; manufacturing process: additive manufacturing
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: thermal properties, Inconel 718, copper alloy, fabricated, laser, engineering, shaping, additive manufacturing 
Answer:
 concept or principle: thermal properties; material: Inconel 718; material: copper alloy; concept or principle: fabricated; enabling technology: laser; application: engineering; manufacturing process: shaping; manufacturing process: additive manufacturing