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This paper aims to analyze and compare the electrical energy and material efficiency of machining , additive and hybrid manufacturing .
 application: electrical; material: material; manufacturing process: machining; material: additive; concept or principle: hybrid manufacturing
Please list all entity words in the text that fit the category.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} 
Answer:
 application: electrical; material: material; manufacturing process: machining; material: additive; concept or principle: hybrid manufacturing