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For example , the number of parts produced is dependent on the choice of orientation of the part and consequently on the support structures that are minimized with respect to an optimum part geometry .
 concept or principle: orientation; engineering feature: support structures; concept or principle: geometry
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: orientation, support structures, geometry 
Answer:
 concept or principle: orientation; engineering feature: support structures; concept or principle: geometry