Ancient Egyptian makeup For makeup too, the Egyptians had to turn to the natural ingredients that were available at the time. They used henna to colour their hair and to tint their nails, saffron was used as an eyeshadow, burnt almonds were used to darken their eyebrows and they used red ochre for their lips.
A lighting ballast is a piece of equipment required to control the starting and operating voltages of electrical gas discharge lights. Examples of gas discharge light sources include fluorescent and neon lights and high-intensity discharge (HID) lamps.
Ballast is the main ingredient in concrete and is a proportional mixture of sharp sand and aggregate. Concrete is made up of 4 parts aggregate, 2 parts sharp sand, 1 part cement and water.The bit that is aggregate and sharp sand is known collectively as as 'ballast' and is sold as such ready-mixed in tonne bags etc.hirdly ballast is a sand and stones/chips mix, typically 10mm to 20 mm size stones.Mix this with cement and you get concrete.