1958
The dimensional test artefact errors for the XT H 225 commercial CT for length , outside diameter and inside diameter reduced from -0.27 % , -0.83 % and -0.54 % respectively to less than 0.02 % after performing mathematical correction .
 concept or principle: errors; enabling technology: CT; concept or principle: diameter; concept or principle: diameter; concept or principle: mathematical
Given options, please tell me the categories of all the listed entity words.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} 
 Entities: errors, CT, diameter, diameter, mathematical 
Answer:
 concept or principle: errors; enabling technology: CT; concept or principle: diameter; concept or principle: diameter; concept or principle: mathematical