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Wire arc additive manufacturing ( WAAM ) is a promising direct energy deposition technology to produce high-value material components with a low buy-to-fly ratio .
 manufacturing process: Wire arc additive manufacturing; manufacturing process: WAAM; manufacturing process: direct energy deposition; material: material; machine or equipment: components
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: Wire arc additive manufacturing, WAAM, direct energy deposition, material, components 
Answer:
 manufacturing process: Wire arc additive manufacturing; manufacturing process: WAAM; manufacturing process: direct energy deposition; material: material; machine or equipment: components