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.
â¢ Ballast channel cover touching the lamp â¢ Lamps bowed or bending â¢ Lamps extinguish in dim mode â¢ Lamps are turning black in the middle (where the metal touches the glass) â¢ Inconsistent starting â¢ Variable light levels from lamp-to-lamp in the fixture When these symptoms are visible, contact the fixture manufacturer, if you are unable to correct the issues in the field. 2 Linear Fluorescent Dimming Ballasts Guide