1703
Field emission scanning electron microscopy ( FESEM ) was done to assess the bone-implant interface .
 process characterization: Field emission scanning electron microscopy; process characterization: FESEM; engineering feature: bone-implant interface
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: Field emission scanning electron microscopy, FESEM, bone-implant interface 
Answer:
 process characterization: Field emission scanning electron microscopy; process characterization: FESEM; engineering feature: bone-implant interface