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This study has demonstrated that Wire + Arc Additive Manufacture can be used to produce large-scale parts in unalloyed tungsten by complete fusion , presenting a potential alternative to the powder metallurgy manufacturing route .
 manufacturing process: Wire + Arc Additive Manufacture; material: be; material: tungsten; concept or principle: fusion; manufacturing process: powder metallurgy; manufacturing process: 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:
 manufacturing process: Wire + Arc Additive Manufacture; material: be; material: tungsten; concept or principle: fusion; manufacturing process: powder metallurgy; manufacturing process: manufacturing