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.
Precipitation Figure 9.7 A Baobab tree, with its thick trunk and large edible fruit, Dakar, Senegal. (UN/DPI Photo #187250C by Evan Schneider) The Tropical Wet/Dry climate is the driest of the tropical wet climates.Like the monsoon climate, it has a distinct seasonality to its precipitation. However, its wet season is much shorter and receives far less precipitation than the monsoon climate.owever, the average annual temperature is similar to that of the other tropical wet climates. Mean monthly temperatures in the Tropical Wet/Dry climate range from 18 o C (64.4 o F) to above 25 o C (77 o F).