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Window cleaner. Window cleaning, or window washing, is the exterior cleaning of architectural glass used for structural, lighting, or decorative purposes. It can be done manually, using a variety of tools for cleaning and access. Technology is also employed and increasingly, automation. Commercial work is contracted variously from in-person ...
The U.S. city of Mobile, Alabama is the site of 15 high-rises, [1] all of which stand taller than 100 feet (30 m). The tallest building in the city is the 35-story RSA Battle House Tower, completed in 2007, which is 745 feet (227 m) tall. [2] The tower is also the tallest building in the U.S. state of Alabama [2] and the 62nd tallest in
Skyscraper - Wikipedia ... Skyscraper
Early skyscrapers
Spinoff is a NASA publication featuring technology made available to the public. Since 1976, NASA has featured an average of 50 technologies each year in the annual publication, and Spinoff maintains a searchable database of these technologies. When products first spun off from space research, NASA presented a black and white report in 1973 ...
A decade ago, Alabama conservationists and famed biologist Edward O. Wilson undertook an effort to make the delta a national park, but it fizzled after some groups balked at federal oversight and ...
Lever House - Wikipedia ... Lever House
List of tallest buildings