342
Scanning electron microscopy ( SEM ) , energy-dispersive X-ray spectroscopy ( EDAx ) , and the Vickers hardness test were used to characterize the BAMS .
 process characterization: Scanning electron microscopy; process characterization: SEM; process characterization: X-ray; concept or principle: spectroscopy; machanical property: Vickers hardness
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: Scanning electron microscopy, SEM, X-ray, spectroscopy, Vickers hardness 
Answer:
 process characterization: Scanning electron microscopy; process characterization: SEM; process characterization: X-ray; concept or principle: spectroscopy; machanical property: Vickers hardness