An old ventilation stack shared by units 3 and 4 of the Chernobyl nuclear power plant has been dismantled. Its removal will allow a giant protective structure to be installed over the damaged reactor ...
Description: SureSeal Vent-Guard is a plumbing vent stack device for eliminating toxic sewer gas and odor egress and migration to nearby rooftop HVAC system outdoor air intakes. The Vent-Guard is ...
When the 456-meter-tall Kunming Junfa Dongfeng Square tower opens in Kunming City, China, in mid-2017, it will stand as one of the world’s tallest naturally ventilated buildings. Roughly ...
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