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We can find a variety of biomaterials such as curable synthetic polymers , synthetic gels and naturally derived hydrogels .
 material: biomaterials; material: as; material: polymers; material: synthetic gels; material: naturally derived hydrogels
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: biomaterials; material: as; material: polymers; material: synthetic gels; material: naturally derived hydrogels