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Laser sintering ( LS ) of polymer materials is a process that has been developed over the last two decades and has been applied in industries ranging from aerospace to sporting goods .
 manufacturing process: Laser sintering; material: polymer materials; concept or principle: process; application: industries; application: aerospace
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: Laser sintering, polymer materials, process, industries, aerospace 
Answer:
 manufacturing process: Laser sintering; material: polymer materials; concept or principle: process; application: industries; application: aerospace