1367
2.2 Robotic WAAM system Most WAAM systems use an articulated industrial robot as the motion mechanism .
 machine or equipment: WAAM system; machine or equipment: WAAM systems; application: articulated industrial robot; concept or principle: mechanism
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:
 machine or equipment: WAAM system; machine or equipment: WAAM systems; application: articulated industrial robot; concept or principle: mechanism