5001
Moreover , no precipitate is formed on top of the interface , due to the rapid solidification and dilution of the alloying elements .
 material: precipitate; concept or principle: interface; manufacturing process: rapid solidification; material: alloying elements
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: precipitate, interface, rapid solidification, alloying elements 
Answer:
 material: precipitate; concept or principle: interface; manufacturing process: rapid solidification; material: alloying elements