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Bio-inspired design is an alternative to improve the mechanical performance of bone scaffolds and enrich the scaffold library .
 engineering feature: Bio-inspired design; application: mechanical; biomedical: bone scaffolds; engineering feature: scaffold
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:
 engineering feature: Bio-inspired design; application: mechanical; biomedical: bone scaffolds; engineering feature: scaffold