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The material types that can be processed include steel , stainless steel , cobalt chrome , titanium and aluminium .
 material: material; material: be; material: steel; material: stainless steel; material: cobalt chrome; material: titanium; material: aluminium
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: material; material: be; material: steel; material: stainless steel; material: cobalt chrome; material: titanium; material: aluminium