15
The role of pores in the fatigue performance of additively manufactured metal parts is increasingly being recognized as a critical factor and HIP post-processing is now heralded as a method to eliminate pores , especially for high-criticality applications such as in the aerospace industry .
 machanical property: pores; machanical property: fatigue; manufacturing process: additively manufactured; material: as; machanical property: critical factor; manufacturing process: HIP; material: as; machanical property: pores; material: as; application: aerospace industry
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: pores, fatigue, additively manufactured, as, critical factor, HIP, as, pores, as, aerospace industry 
Answer:
 machanical property: pores; machanical property: fatigue; manufacturing process: additively manufactured; material: as; machanical property: critical factor; manufacturing process: HIP; material: as; machanical property: pores; material: as; application: aerospace industry