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Arc welding has been widely explored for additive manufacturing of large metal components over the last three decades due to its lower capital cost , an unlimited build envelope , and higher deposition rates .
 manufacturing process: Arc welding; manufacturing process: additive manufacturing; material: metal; machine or equipment: components; concept or principle: capital cost; process parameter: build envelope; process parameter: deposition rates
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:
 manufacturing process: Arc welding; manufacturing process: additive manufacturing; material: metal; machine or equipment: components; concept or principle: capital cost; process parameter: build envelope; process parameter: deposition rates