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The heat input creates a heat affected zone ( HAZ ) directly next to the patches with a reduced strength , caused by recrystallization that may lead to failure in the forming process and thus limits the forming capacity of locally reinforced sheet metals .
 concept or principle: heat; concept or principle: heat affected zone; concept or principle: HAZ; machanical property: strength; concept or principle: recrystallization; material: lead; concept or principle: failure; manufacturing process: forming process; concept or principle: limits; manufacturing process: forming; concept or principle: capacity; concept or principle: reinforced; material: metals
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:
 concept or principle: heat; concept or principle: heat affected zone; concept or principle: HAZ; machanical property: strength; concept or principle: recrystallization; material: lead; concept or principle: failure; manufacturing process: forming process; concept or principle: limits; manufacturing process: forming; concept or principle: capacity; concept or principle: reinforced; material: metals