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Typical SMAs include NiTi or nitinol which normally contains approximately 50 at % Ni and 50 at % Ti .
 material: SMAs; material: NiTi; material: nitinol; material: Ni; material: Ti
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: SMAs; material: NiTi; material: nitinol; material: Ni; material: Ti