1698
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
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:
 concept or principle: orientation; engineering feature: support structures; concept or principle: geometry