"Then she dragged poor little Grethel up to the oven door, under which the flames were burning fiercely, and said:" Creep in there, and see if it is hot enough yet to bake the bread.

Then she dragged poor little Grethel up to the oven door, under which the flames were burning fiercely, and said: "Creep in there, and see if it is hot enough yet to bake the bread."

There were some analysis and probe of creep in main Steam pipe and reheat pipe (hot segment) in service utility boiler.