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A necessary consequence of this method is a pronounced mechanical anisotropy of the product ; the interface between the filaments is weaker compared to the filament itself .
 machanical property: mechanical anisotropy; concept or principle: interface; material: filaments; material: filament
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: mechanical anisotropy, interface, filaments, filament 
Answer:
 machanical property: mechanical anisotropy; concept or principle: interface; material: filaments; material: filament