Chromium OS. Chromium OS is an open-source project that aims to build an operating system that provides a fast, simple, and more secure computing experience for people who spend most of their time on the web. Here you can review the project's design docs, obtain the source code, and contribute.
1 Common orange â There are many varieties of common orange and it is widely grown. 2  The most common varieties of common oranges are the Valencia, Hartâs Tardiff Valencia, and the Hamlin, but there are dozens of other types.
There are seeded and seedless varieties. The terms mandarin orange and tangerine are often used interchangeably, particularly outside the United States. This can be confusing, because although a tangerine is a mandarin orange, not all mandarin oranges are tangerines. Tangerines are the most common variety of fresh mandarin orange found in the US. Mandarin refers to the bright orange robes worn by the mandarins, public officials of the ancient Chinese court.