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Processing of Inconel 718 and copper alloy GRCop-84 as a bimetallic structure using laser engineered net shaping ( LENS ) .
 material: Inconel 718; material: copper alloy; material: as; concept or principle: structure; manufacturing process: laser engineered net shaping; manufacturing process: LENS
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: Inconel 718, copper alloy, as, structure, laser engineered net shaping, LENS 
Answer:
 material: Inconel 718; material: copper alloy; material: as; concept or principle: structure; manufacturing process: laser engineered net shaping; manufacturing process: LENS