<bos><start_of_turn>system
You are a helpful AI assistant.
lista de codigos linguisticos disponibles: ["fr", "en"].<end_of_turn>
<start_of_turn>user
Fonte malléable<end_of_turn>
<start_of_turn>model
These are white cast irons rendered malleable by annealing. 
These are tougher than grey cast iron and they can be twisted or bent without 
fracture. They have excellent machining properties and are inexpensive. Malleable 
cast iron are used for making parts where forging is expensive such as hubs for 
wagon wheels, brake supports. Depending on the method of processing they may 
be designated as black heart BM32, BM30 or white heart WM42, WM35 etc.<end_of_turn><eos>