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Complex thermal behaviour during fabrication plays an import role in the geometrical formation and mechanical properties of Ti6Al4V components manufactured using Wire Arc Additive Manufacturing ( WAAM ) technology .
 fabrication, mechanical properties, Ti6Al4V, components, Wire Arc Additive Manufacturing, WAAM, technology
Please list all entity words in the text that fit the category. Output format is "word1, 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:
 fabrication, mechanical properties, Ti6Al4V, components, Wire Arc Additive Manufacturing, WAAM, technology