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For instance , SLS , DMLS , and SLM all use lasers , while EBM uses electron beam as energy source In the sintering processes , the powders are not completely melted .
 manufacturing process: SLS; manufacturing process: DMLS; manufacturing process: SLM; manufacturing process: EBM; concept or principle: electron beam; material: as; application: source; manufacturing process: sintering; concept or principle: processes; material: powders; concept or principle: melted
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: SLS; manufacturing process: DMLS; manufacturing process: SLM; manufacturing process: EBM; concept or principle: electron beam; material: as; application: source; manufacturing process: sintering; concept or principle: processes; material: powders; concept or principle: melted