2743
The liquid metal is formed in the diversion nozzle , as the wire is heated and melted inside it by an electron beam , and , subsequently , is transferred to the substrate with solidification process .
 liquid metal, nozzle, as, melted, electron beam, substrate, solidification process
Please list all entity words in the text that fit the category. Output format is "word1, 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:
 liquid metal, nozzle, as, melted, electron beam, substrate, solidification process