Strength is due to the heat out on at the right time. If out for too long can cause burns. But if it is too small to make out the liquid and the adhesion of candy.
The toughness of the stew on the heat at the right time. If cooked too long may cause burns. If the stew is too small to liquefaction and prevent the adhesion of candy.
Ductility due to simmer over heat at the right time. If cooked too long may cause burns. But if cooked too little to make the liquid and prevent the adhesion of candy.