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For biomedical applications , the presence of Ni in NiTi has been a continuous concern since Ni is one of the highest sensitivities in metallic allergy tests .
 application: biomedical applications; material: Ni; material: NiTi; material: Ni; process parameter: sensitivities; material: metallic
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:
 application: biomedical applications; material: Ni; material: NiTi; material: Ni; process parameter: sensitivities; material: metallic