hourly efficiency
71Lightning — This article is about the atmospheric electrical phenomenon. For other uses, see Lightning (disambiguation). See also: Lightning strike Lightning striking Atlanta, United States Lightning is an atmospheric electrostatic discharge (spar …
72Drinking — The act of drinking as depicted by a statue in Schloss Nordkirchen. Drinking is the act of consuming water or a beverage through the mouth. Water is required for many of life’s physiological processes. Both excessive and inadequate water intake… …
73Weather forecasting — weather forecaster redirects here. For other uses, see Weatherman (disambiguation). Forecast of surface pressures five days into the future for the north Pacific, North America, and north Atlantic ocean. Weather forecasting is the application of… …
74Daylighting — For the restoration of culverted streams to above ground channels, see Daylighting (streams). For a similar operation with transportation tunnels, see Daylighting (tunnels). A skylight providing internal illumination Daylighting is the practice… …
75Electricity market — An electricity market is a system for effecting the purchase and sale of electricity using supply and demand to set the price. Wholesale transactions in electricity are typically cleared and settled by the grid operator or a special purpose… …
76Just-in-time (business) — Just in time (JIT) is an inventory strategy implemented to improve the return on investment of a business by reducing in process inventory and its associated carrying costs. In order to achieve JIT the process must have signals of what is going… …
77Al-Jazari — Abū al Iz Ibn Ismā īl ibn al Razāz al Jazarī (1136 1206) ( ar. أَبُو اَلْعِزِ بْنُ إسْماعِيلِ بْنُ الرِّزاز الجزري) was an important Arab [citation|title=Archimedes Weapons of War and Leonardo|first=D. L.|last=Simms|journal=The British Journal… …
78Pennsylvania Railroad — Infobox SG rail railroad name=Pennsylvania Railroad logo filename=Pennsylvania Herald.png logo size=100 marks=PRR locale=Chicago and St. Louis to New York City and Washington, DC start year=1846 end year=1968 successor line=Penn Central old gauge …
79Merseyrail — Merseyrail …
80Labor history of the United States — involves the history of organized labor, as well as the more general history of working people in the United States of America. Pressures dictating the nature and power of organized labor have included the evolution and power of the corporation,… …
