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The second example from Renishaw is a seat post bracket of a mountain bike , meant to replace a cast aluminium part with additively manufactured titanium : the mass reduction was reported at 40 % .
 machine or equipment: bracket; manufacturing process: cast; material: aluminium; manufacturing process: additively manufactured; concept or principle: reduction
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:
 machine or equipment: bracket; manufacturing process: cast; material: aluminium; manufacturing process: additively manufactured; concept or principle: reduction