741
Due to continuous development in science and technology , many researchers have been attracted towards Wire Feed Additive Manufacturing ( WFAM ) for the fabrication of titanium and its alloys .
 concept or principle: technology; process parameter: Feed; manufacturing process: Additive Manufacturing; manufacturing process: fabrication; material: titanium; material: alloys
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:
 concept or principle: technology; process parameter: Feed; manufacturing process: Additive Manufacturing; manufacturing process: fabrication; material: titanium; material: alloys