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.
Overview. Mandarin orange (Citrus reticulate) is a distinct species of citrus commonly called tangerine. Easier to peel than oranges, mandarin orange skin separates easily from the fruit.It is one of the cold hardiest of all the citrus varieties.Native to southern Asia and the Philippines, mandarin oranges will grow well in the tropical and subtropical areas of the U.S. Gardeners in cooler climates will need to grow the tree in a container.Smaller than the typical orange tree, mandarin orange trees will do well in small space gardens.t is one of the cold hardiest of all the citrus varieties. Native to southern Asia and the Philippines, mandarin oranges will grow well in the tropical and subtropical areas of the U.S. Gardeners in cooler climates will need to grow the tree in a container.