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Charpy impact test is carried out on the samples taken in both along the direction of deposition and in the direction perpendicular to it to analyze the impact toughness in different directions .
 process characterization: impact test; concept or principle: samples; concept or principle: deposition; concept or principle: impact
Please list all entity words in the text that fit the category.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} 
Answer:
 process characterization: impact test; concept or principle: samples; concept or principle: deposition; concept or principle: impact