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Epoxy-based inks , which exhibited the desired viscoelasticity and long pot-life in the absence and presence of highly anisotropic carbon fibers , were prepared .
 material: Epoxy-based inks; machanical property: viscoelasticity; machanical property: anisotropic; material: fibers
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:
 material: Epoxy-based inks; machanical property: viscoelasticity; machanical property: anisotropic; material: fibers