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The E values of the porous structures were comparable to the design values , but the strength of the cellular lattice with E = 2/3 ( design value ) was lower than expected .
 machanical property: porous; engineering feature: design; machanical property: strength; concept or principle: lattice; engineering feature: design
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: porous, design, strength, lattice, design 
Answer:
 machanical property: porous; engineering feature: design; machanical property: strength; concept or principle: lattice; engineering feature: design