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Hot Isostatic Pressing ( HIP ) is a technique of applying high pressures through a fluid medium at high temperatures to enclosed powders , castings and pre-sintered metal parts to eliminate porosity .
 manufacturing process: Hot Isostatic Pressing; manufacturing process: HIP; concept or principle: pressures; material: fluid; process parameter: temperatures; material: powders; machanical property: pre-sintered; material: metal; machanical property: porosity
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: Hot Isostatic Pressing, HIP, pressures, fluid, temperatures, powders, pre-sintered, metal, porosity 
Answer:
 manufacturing process: Hot Isostatic Pressing; manufacturing process: HIP; concept or principle: pressures; material: fluid; process parameter: temperatures; material: powders; machanical property: pre-sintered; material: metal; machanical property: porosity