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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
Construction management (CM) aims to control the quality of a project's scope, time, and cost (sometimes referred to as a project management triangle or "triple constraints") to maximize the project owner's satisfaction. [1][2] It uses project management techniques and software to oversee the planning, design, construction and closeout of a ...
Cost estimate - Wikipedia ... Cost estimate
Construction - Wikipedia ... Construction