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SCBD is an additive fabrication technique based on the deposition of neutral metallic clusters carried in a highly collimated supersonic beam .
 material: additive; concept or principle: deposition; material: metallic; machine or equipment: beam
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: additive, deposition, metallic, beam 
Answer:
 material: additive; concept or principle: deposition; material: metallic; machine or equipment: beam