8875
Numerical examples on both 2D and 3D linear elastic problems are presented to demonstrate the validity and efficiency of the proposed formulations in the build orientation optimization and in the overhang angle control .
 concept or principle: 2D; concept or principle: 3D; machanical property: elastic; process parameter: build orientation; process parameter: overhang angle
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: 2D, 3D, elastic, build orientation, overhang angle 
Answer:
 concept or principle: 2D; concept or principle: 3D; machanical property: elastic; process parameter: build orientation; process parameter: overhang angle