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Melting behaviour of polyamide 12 did not depend on the processing techniques , but was affected by the addition of fillers and by the cooling rate .
 manufacturing process: Melting; material: polyamide 12; concept or principle: processing techniques; process parameter: cooling rate
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:
 manufacturing process: Melting; material: polyamide 12; concept or principle: processing techniques; process parameter: cooling rate