9417
In this sense , Wire-Arc Additive Manufacturing ( WAAM ) offers high deposition rates and quality without size limits , becoming the best alternative for additive manufacturing of medium-large size parts with high mechanical requirements such as structural parts in the aeronautical industry.WAAM technology adds material in form of wire using an arc welding process in order to melt both the wire and the substrate .
 Wire-Arc Additive Manufacturing, WAAM, high deposition rates, quality, limits, additive manufacturing, mechanical, as, aeronautical, technology, material, arc welding, melt, substrate
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:
 Wire-Arc Additive Manufacturing, WAAM, high deposition rates, quality, limits, additive manufacturing, mechanical, as, aeronautical, technology, material, arc welding, melt, substrate