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To show the feasibility of the proposed method , the support structure of a double-cantilever beam and a hip implant is designed , respectively .
 feasibility, support structure, double-cantilever beam, hip implant, designed
Please list all entity words in the text that fit the category. Output format is "word1, 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:
 feasibility, support structure, double-cantilever beam, hip implant, designed