A construction project, for example, is often governed by a guaranteed maximum price contract (GMP) . This type of legal agreement sets a ceiling or maximum price for which a person or entity will pay for a certain project.
The arc lamp used in the Lighthouse of Alexandria is further proof that electricity was used in ancient Egypt. The energy required to power the Lighthouse of Alexandria for 24 hours a day could only have been supplied by a regular electrical source.
Various devices have been invented to hold candles, from simple tabletop candle holders to elaborate chandeliers. For a candle to burn, a heat source (commonly a naked flame) is used to light the candle's wick, which melts and vaporizes a small amount of fuel (the wax).Once vaporized, the fuel combines with oxygen in the atmosphere to ignite and form a constant flame.arious devices have been invented to hold candles, from simple tabletop candle holders to elaborate chandeliers. For a candle to burn, a heat source (commonly a naked flame) is used to light the candle's wick, which melts and vaporizes a small amount of fuel (the wax).