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Due to the feasibility of economically producing large-scale metal components with relatively high deposition rates , significant progress has been made in the understanding of the Wire Arc Additive Manufacturing process , as well as the microstructure and mechanical properties of the fabricated components .
 concept or principle: feasibility; material: metal; machine or equipment: components; process parameter: high deposition rates; manufacturing process: Wire Arc Additive Manufacturing; concept or principle: process; material: as; material: as; concept or principle: microstructure; concept or principle: mechanical properties; concept or principle: fabricated; machine or equipment: components
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:
 concept or principle: feasibility; material: metal; machine or equipment: components; process parameter: high deposition rates; manufacturing process: Wire Arc Additive Manufacturing; concept or principle: process; material: as; material: as; concept or principle: microstructure; concept or principle: mechanical properties; concept or principle: fabricated; machine or equipment: components