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Further , the microlattice electrodes retain their morphologies after 40 electrochemical cycles , demonstrating their mechanical robustness .
 machine or equipment: electrodes; concept or principle: morphologies; concept or principle: electrochemical; application: mechanical
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: electrodes, morphologies, electrochemical, mechanical 
Answer:
 machine or equipment: electrodes; concept or principle: morphologies; concept or principle: electrochemical; application: mechanical