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Processing of Inconel 718 and copper alloy GRCop-84 as a bimetallic structure using laser engineered net shaping ( LENS ) .
 Inconel 718, copper alloy, as, structure, laser engineered net shaping, LENS
Please list all entity words in the text that fit the category. Output format is "word1, 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} 
Answer:
 Inconel 718, copper alloy, as, structure, laser engineered net shaping, LENS