Backwater valve (for sanitary drainage system) protects lower located rooms against flooding caused by return flow of sewage waters. Such risk occurs most often in sanitary drainage systems connected to combined sewerage systems and in ...
Global demand for pharmaceutical packaging is forecast to expand 5.5% annually to £ 39bn in 2015, according to a new report from Cleveland-based Freedonia Group. Western Europe, the US and Japan will account for more than 70% of the ...
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