5148
The combination of nickel metal particles and tin alloy allows for higher metal loading at lower melt viscosity , compared to composites of nickel metal particles alone .
 material: nickel metal; material: tin alloy; material: metal; concept or principle: melt; material: composites; material: nickel metal
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: nickel metal, tin alloy, metal, melt, composites, nickel metal 
Answer:
 material: nickel metal; material: tin alloy; material: metal; concept or principle: melt; material: composites; material: nickel metal