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These findings offer a new perspective on the elimination of hot cracking of nickel-based superalloys and other industrially relevant crack-susceptible alloys .
 concept or principle: hot cracking; material: nickel-based superalloys; material: alloys
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: hot cracking, nickel-based superalloys, alloys 
Answer:
 concept or principle: hot cracking; material: nickel-based superalloys; material: alloys