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The high-melting point particles generate a solid matrix , while the particles with the low melting point bind the matrix after being melted by the laser energy input .
 machanical property: high-melting point; concept or principle: solid matrix; concept or principle: particles; machanical property: melting point; manufacturing process: bind; concept or principle: melted; concept or principle: laser energy
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:
 machanical property: high-melting point; concept or principle: solid matrix; concept or principle: particles; machanical property: melting point; manufacturing process: bind; concept or principle: melted; concept or principle: laser energy