946
Ultrasonic Additive Manufacturing ( UAM ) is a hybrid manufacturing process that involves the layer-by-layer ultrasonic welding of metal foils in the solid state with periodic CNC machining to achieve the desired 3D shape .
 manufacturing process: Ultrasonic Additive Manufacturing; manufacturing process: UAM; concept or principle: hybrid manufacturing; concept or principle: layer-by-layer; manufacturing process: welding; material: metal; concept or principle: solid state; manufacturing process: CNC machining; concept or principle: 3D
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: Ultrasonic Additive Manufacturing; manufacturing process: UAM; concept or principle: hybrid manufacturing; concept or principle: layer-by-layer; manufacturing process: welding; material: metal; concept or principle: solid state; manufacturing process: CNC machining; concept or principle: 3D