3006
General corrosion was not a major form of corrosion , based on surface feature changes , surface roughness , and mass loss for either method .
 concept or principle: corrosion; concept or principle: corrosion; concept or principle: surface; engineering feature: feature; machanical property: surface roughness
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: corrosion, corrosion, surface, feature, surface roughness 
Answer:
 concept or principle: corrosion; concept or principle: corrosion; concept or principle: surface; engineering feature: feature; machanical property: surface roughness