1848
All implantable devices would be Class II or Class III , whilst AM produced foot orthotics are class I , requiring no premarket notification to prove they have been clinically tested certification ) .
 machine or equipment: implantable devices; material: be; manufacturing process: AM; machine or equipment: foot orthotics
Please list all entity words in the text that fit the category.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} 
Answer:
 machine or equipment: implantable devices; material: be; manufacturing process: AM; machine or equipment: foot orthotics