A zinc coating, usually hot-dipped, in which the zinc and steel form a metallurgical bond. The thickness of a hot-dipped coating can be varied from a thin zinc/iron alloy layer to heavy applications suitable for extended outdoor exposure.
Humid subtropical climate. In Africa, the humid subtropical climates are found in two separate areas on the southern hemisphere of the continent. The Cwa climate is found over a large portion of the interior of the Middle and Eastern African regions.
Biomes of Africa. Africa is a huge and ancient continental shelf solid and compact, Three successive climatic strips are repeated to the north and south of the equator, covering the Mediterranean climates, desert, subtropical and intertropical rainy, the latter, in its two main types, both savanna As of jungle. The tropical climate zone has hot summers and winters.