5454
The effect on cracking observed in CM247LC superalloy samples was analysed using image processing , comparing the novel fractal scan strategies to more conventional ‘ island ’ scans .
 concept or principle: cracking; concept or principle: samples; concept or principle: image
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: cracking, samples, image 
Answer:
 concept or principle: cracking; concept or principle: samples; concept or principle: image