624
The combination of WAAM and forging may hence be used to develop new manufacturing chains that allow for higher material yield and flexibility than conventional forging .
 manufacturing process: WAAM; manufacturing process: forging; material: be; concept or principle: manufacturing chains; material: material; machanical property: flexibility; manufacturing process: forging
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: WAAM; manufacturing process: forging; material: be; concept or principle: manufacturing chains; material: material; machanical property: flexibility; manufacturing process: forging