8717
Such thin shell parts can not be built without supports by previous supportless AM processes .
 machine or equipment: shell; material: be; application: supports; manufacturing process: AM processes
Given options, please tell me the categories of all the listed entity words.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} 
 Entities: shell, be, supports, AM processes 
Answer:
 machine or equipment: shell; material: be; application: supports; manufacturing process: AM processes