623
Therefore , the objective of this study is to develop a cooperative system for WAAM and machining that includes a process that measures the shape of the fabricated object .
 WAAM, machining, process, fabricated
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:
 WAAM, machining, process, fabricated