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With reference to prosthetics and implants , the design requirement is taken from a biological shape , hence the biomimetic description .
 application: prosthetics; application: implants; engineering feature: design; engineering feature: biological shape; concept or principle: biomimetic
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:
 application: prosthetics; application: implants; engineering feature: design; engineering feature: biological shape; concept or principle: biomimetic