LEKAA El Kholy's father used to rub a little blackened engine oil onto her face and tell her to wear overalls when they went to the Egyptian city of Luxor to buy supplies for his car repair workshop. It was his way of showing people his daughter was a mechanic just like him, and of confronting deep-rooted beliefs about gender roles that keep all but a few women out of traditionally male professions in socially conservative Egypt. Today, El Kholy, 24, has been fixing cars for more than a decade in the village of Esna and has captured national attention - with…