7078
Depth , diameter , Area and Volume of the printed guides have been calculated using vernier caliper and scan measurements .
 concept or principle: diameter; process parameter: Area; concept or principle: Volume; machine or equipment: vernier caliper
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: diameter, Area, Volume, vernier caliper 
Answer:
 concept or principle: diameter; process parameter: Area; concept or principle: Volume; machine or equipment: vernier caliper