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.
37: Easily-peeled Mandarin oranges (Citrus reticulata) are ideal for eating out-of-hand and very popular in Central America. Origin and Distribution The mandarin orange is considered a native of south-eastern Asia and the Philippines.It is most abundantly grown in Japan, southern China, India, and the East Indies, and is esteemed for home consumption in Australia.limate Mandarin oranges are much more cold-hardy than the sweet orange, and the tree is more tolerant of drought. The fruits are tender and readily damaged by cold. Varieties Mandarin cultivars fall into several classes: Class I, Mandarin: 'Changsa' brilliant orange-red; sweet, but insipid; seedy.