1848
In this case the use of Ti6Al4V titanium alloy is especially useful for light-weighting , as this material is already strong and relatively light .
 material: Ti6Al4V; material: alloy; material: as; material: material
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:
 material: Ti6Al4V; material: alloy; material: as; material: material