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Additive layer manufacturing ( ALM ) , using gas tungsten arc welding ( GTAW ) as heat source , is a promising technology in producing Inconel 625 components due to significant cost savings , high deposition rate and convenience of processing .
 manufacturing process: Additive layer manufacturing; manufacturing process: ALM; manufacturing process: gas tungsten arc welding; manufacturing process: GTAW; material: as; application: source; concept or principle: technology; material: Inconel 625; machine or equipment: components; process parameter: high deposition rate
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: Additive layer manufacturing; manufacturing process: ALM; manufacturing process: gas tungsten arc welding; manufacturing process: GTAW; material: as; application: source; concept or principle: technology; material: Inconel 625; machine or equipment: components; process parameter: high deposition rate