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Selective Laser Sintering ( SLS ) – use a high-power laser to fuse small particles ( polyamide , steel , titanium , alloys , ceramic powders , etc ) .
 manufacturing process: Selective Laser Sintering; manufacturing process: SLS; concept or principle: high-power laser; manufacturing process: fuse; concept or principle: particles; material: polyamide; material: steel; material: titanium; material: alloys; material: ceramic powders
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; manufacturing process: SLS; concept or principle: high-power laser; manufacturing process: fuse; concept or principle: particles; material: polyamide; material: steel; material: titanium; material: alloys; material: ceramic powders