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.
Humid subtropical climate. A humid subtropical climate is a zone of climate characterised by hot and humid summers where tropical air masses dominate, and mild winters. These climates normally lie on the southeast side of all continents, generally between latitudes 25Â° and 35Â° and are adjacent to tropical climates to the south.