Thus it was the interplay of these economic, political, and social factors and forces that led to the scramble for Africa and the frenzied attempts by European commercial, military, and political agents to declare and establish a stake in different parts of the continent through inter-imperialist commercial competition, the declaration of exclusive claims to particular territories for trade, the imposition of tariffs against other European traders, and claims to exclusive control of ...
As general advice: RoofCoatingScam does not recommend regular roof cleaning just for the sake of improving the appearance of the roof. Foot traffic can damage roof tiles so we only recommend roof cleaning/de-mossing when it is absolutely necessary, ie when the moss is preventing water from draining off the roof.
Roof Cleaning by Using the Correct Chemicals. One of the most gentle yet effective ways to remove roof moss and clean the roof is by way of scraping. A normal 9â³ trowel is suitable, if your roofing contractor chooses a dry day any moss will flake off the roof much easier and there wonât be any scratch marks on the tiles.