1601
The selective laser sintering method was performed in a pure argon environment on a WYS600 SLS equipment with powder bed temperature 5 0 C below the melting temperature of ethylene-vinyl acetate copolymer resin .
 manufacturing process: selective laser sintering; material: pure argon; manufacturing process: SLS; machine or equipment: equipment; machine or equipment: powder bed; material: C; process parameter: melting temperature; machanical property: ethylene-vinyl acetate copolymer resin
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; material: pure argon; manufacturing process: SLS; machine or equipment: equipment; machine or equipment: powder bed; material: C; process parameter: melting temperature; machanical property: ethylene-vinyl acetate copolymer resin