3015
This approach has the potential to achieve highly dense WC-Co parts that are net-shaped with some ternary phase and z-direction distortion .
 concept or principle: phase; engineering feature: z-direction; concept or principle: distortion
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: phase, z-direction, distortion 
Answer:
 concept or principle: phase; engineering feature: z-direction; concept or principle: distortion