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Selective laser sintering has an extensive application in the field of aerospace , medical and automotive engineering due to the ability to control the stiffness of components in a desired model .
 manufacturing process: Selective laser sintering; application: aerospace; application: medical; application: automotive; machanical property: stiffness; machine or equipment: components; concept or principle: model
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:
 manufacturing process: Selective laser sintering; application: aerospace; application: medical; application: automotive; machanical property: stiffness; machine or equipment: components; concept or principle: model