History of the anchor the early 2000s took elements of the Spade and other types, and developed unique solutions of his own, in order to design the "Rocna" anchor, a general purpose type which uses a concave fluke, a self-righting roll-bar, and setting skids. History of the anchor The History of the anchor dates back millennia. The most ancient anchors were probably rocks and many rock anchors have been found dating from at least the Bronze Age. Many modern moorings still rely on a large rock as the primary element of their design. However, using pure mass to resist the forces of a storm
Varieties of Arabic In some regions, particularly around the southern Sudan, the pidgins have creolized (see the list below). Even within countries where the official language is Arabic, different varieties of Arabic are spoken. For example, within Syria, the Arabic spoken in Homs is recognized as different from the Arabic spoken in Damascus, but both are considered to be varieties of "Levantine" Arabic. And within Morocco, the Arabic of the city of Fes is considered different from the Arabic spoken elsewhere in the country. Another way that varieties of Arabic differ is that some are formal and others are colloquial (that is, vernacular).