1574
Merits of this method includes that fact that large size parts can be built , it is cheap , no microstructural alteration during the process , and it is flexible in the sense that component does not need support structures .
 material: be; concept or principle: microstructural; concept or principle: process; machine or equipment: component; engineering feature: support structures
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:
 material: be; concept or principle: microstructural; concept or principle: process; machine or equipment: component; engineering feature: support structures