2065
6 Manual optimization of internal part topology One of the enablers within AM is the ability to optimize the internal part topology .
 concept or principle: optimization; engineering feature: internal part topology; manufacturing process: AM; engineering feature: internal part topology
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: optimization, internal part topology, AM, internal part topology 
Answer:
 concept or principle: optimization; engineering feature: internal part topology; manufacturing process: AM; engineering feature: internal part topology