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.
Battery Operated Lights Add critical lighting to an indoor or outdoor darkened area quickly and easily using a battery powered light fixture â no electrical outlet needed. Battery operated lighting offers many different types of uses with energy-efficient LEDs that are powered by either lithium-ion, lithium coin, AAA, AA, C, or D batteries.