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.
Mandarins are a class of oranges that are flatter on both ends, have a mild flavour and are very easy to peel. Tangerines and clementines are mandarins. Mandarins are usually available from November until March. Clementines are the smallest member of the mandarin family and are seedless. The peel is smooth, glossy and deep orange. They are available from November until April. Tangerines are light orange in colour and are slightly tart.