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.
The climate in South Africa ranges from desert and semi-desert in the north west of the country to sub-tropical on the eastern coastline. The rainy season for most of the country is in the summer. In in the Western Cape rains come in the winter and in most of the Eastern Cape, it is distributed evenly throughout the year. Best time to visit. South Africa's climate is seasonal, getting quite cold in winter (May-August).