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.
The two most familiar varieties are navel and Valencia oranges, which are very good, but if you limit yourself to them, you're missing out on some real treats. Navel California navel oranges are considered by many to be the best oranges in the world for eating out of hand.