עזרה בלהבין את המשפט - זה ממש דחוף.

The cow, however, again told the girl not to be troubled, but to go and wash her entrails, but was to be careful to save whatever she saw come out of them. The girl did so, and when she was cleaning them she saw a ball of gold come out and fall into the water. The girl went into the tank to search for it, and there she saw a house with everything in it in disorder, and she began to arrange and make the house look tidy. She suddenly heard footsteps, and in her hurry she hid herself behind the door.


מה הכוונה במילה tank פה? באיזה הקשר זה?