ALLENTOWN, PA - January 12, 2026 - PRESSADVANTAGE - PJ MAC HVAC Air Duct Cleaning announced the launch of a new ...
Syska Hennessy Group, the international engineering firm, has launched an app called the Ductulator, which helps architects, owners, contractors, and mechanical engineers easily determine and specify ...
From the early 1950s through 1980, many forced-air heating ducts installed in American homes and buildings were constructed, secured, or wrapped with materials that contained asbestos. The use of ...
Abstract: Atmospheric ducts, which are caused by the rapid decrease in the refractive index of the lower atmosphere, can trap the propagating signals. The trapping effects of the atmospheric ducts can ...
Abstract: Medium Voltage (MV) bus ducts use a nonuniform insulation system that relies on air and solid materials to achieve the required dielectric strength. The insulation defects commonly generate ...
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