Razor be used on both sides, with two open edges. The blade on the double-edged safety razor is slightly curved to allow for a smoother and cleaner shave. In 1901, the American inventor King Camp Gillette, with the assistance of William Nickerson, patented a new variation of safety razor with disposable blades. Gillette realized that a profit could be made by selling an inexpensive razor with disposable blades. This has been called the razor and blades business model, and has become a very common practice for a wide variety of products. Many other brands of safety razors have come and gone.
Razor-qt Razor-qt Razor-qt is a discontinued free and open-source desktop environment. It was intended as a lightweight desktop environment based upon the Qt application framework, and was "tailored for users who value simplicity, speed, and an intuitive interface." Development of Razor-qt has ceased, as it has merged with LXDE's Qt port to form LXQt. Razor-qt was still in the early stages of development. , the environment included a panel viewer and switcher, a desktop, an application launcher, a settings center and sessions. These components could be enabled or disabled by the user. Razor-qt could be used with any modern X window