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A full scaffolding solution allows any 3D geometry to be printed .
 enabling technology: scaffolding; engineering feature: 3D geometry; material: be
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: scaffolding, 3D geometry, be 
Answer:
 enabling technology: scaffolding; engineering feature: 3D geometry; material: be