2040
Something that is becoming increasingly popular for improving part density is the use of hot isostatic pressing , especially for additively-manufactured metal parts for aerospace it is a requirement that all parts are HIPped .
 machanical property: density; manufacturing process: hot isostatic pressing; material: metal; application: aerospace
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:
 machanical property: density; manufacturing process: hot isostatic pressing; material: metal; application: aerospace