29
Finally , a thin-walled aluminium structure has been fabricated automatically using only a CAD model as the informational input to the system .
 machine or equipment: thin-walled aluminium structure; concept or principle: fabricated; enabling technology: CAD model; material: as
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: thin-walled aluminium structure; concept or principle: fabricated; enabling technology: CAD model; material: as