To use a pumice stone, soften the calloused skin in warm water, wet the stone, then gently rub the stone over the area using circular motions until you remove the dead skin. In addition to its primary purpose exfoliating skin, you can also use pumice to remove hair, remove pills from fabric, and even clean your toilet.
Thereby, on 10 November 1775 the Marine Corps was established, this is the date Marines now refer to as the birth date of the United States Marine Corps. Tun Tavern in Philadelphia, Pennsylvania is recognized as the birthplace of the Marine Corps.
While the Marines was constitutes at the same time as the Navy in 1775, mainly to secure a landing force for the Navy, they were made a separate force in 1798 through a special act of the parliament in 1798. However, since 1834, Marines has been a component of the US Department of Navy.