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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 ...
Early skyscrapers
Construction estimating software. Construction cost estimating software is computer software designed for contractors to estimate construction costs for a specific project. A cost estimator will typically use estimating software to estimate their bid price for a project, which will ultimately become part of a resulting construction contract.
Skyscraper - Wikipedia ... Skyscraper
List of tallest buildings in Portland, Oregon
A mechanical floor, mechanical penthouse, mechanical layer or mechanical level is a story of a high-rise building that is dedicated to mechanical and electronics equipment. "Mechanical" is the most commonly used term, but words such as utility, technical, service, and plant are also used. They are present in all tall buildings, including the ...
Tower block - Wikipedia ... Tower block
This building, rising 16 floors, [8] is often regarded as the first skyscraper in Tulsa. [9] Tulsa's first buildings standing more than 492 feet (150 m) tall were the BOK Tower and the First Place Tower, both completed in 1975. [4] [6] As of November 1, 2019, no buildings are under construction or are planned to rise at least 197 feet (60 m). [10]