Teenage girls often encountered this sort of trouble... Though spells could solve the problem, Lavoisier had a friend named Berthollet who, besides making bleach, had invented sulfur soap. Sulfur soap was especially convenient for washing bloodstains, because the iron in blood could combine with sulfur. The alkali in ordinary soap would not chemically react with blood, so no matter how many times it was washed, traces of the stain would remain.
At the start-of-term feast each year, the Sorting Ceremony was held first. The "feast" did not begin until everyone had taken their seats.
Although Hogwarts housed plenty of house-elves, no one knew when the custom had begun: food from the kitchens was "transported" onto the long tables in the Great Hall.
She had originally assumed it was a special kind of house-elf magic, such as their ability to Apparate in places protected by an Anti-Apparition Jinx, but things did not seem to be as she had imagined.
Goblins living in Britain were more skilled at making armor and weapons, while Lombardy Goblins were better at crafting jewelry and everyday goods.
After Hogwarts was founded, ancient magical ruins and silver veins were discovered there, and many Lombardy Goblins migrated to England. Coupled with a series of factors such as war, few Goblins now remained in Lombardy.
These Lombardy Goblins brought their techniques with them, allowing England to produce exquisite vessels and jewelry as well.
If one looked carefully at the Goblins in Gringotts, they were not all of the same height. A few were exceptionally tall. They usually stayed underground, responsible for security, and rarely served at the front counters.
In short, their obsession with the ancient kingdom made the Goblins involved in the negotiations refuse to yield an inch. However, Pomona had no intention of imitating Bonaparte by smashing