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Although the shape and size of the pores can be adjusted by changing the parameters of these manufacturing processes , only a randomly organized porous structure can be achievable .
 machanical property: pores; material: be; concept or principle: parameters; manufacturing process: manufacturing processes; machanical property: porous; material: be
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:
 machanical property: pores; material: be; concept or principle: parameters; manufacturing process: manufacturing processes; machanical property: porous; material: be