Transmission of COVID-19 in buildings requires two things, the active virus being present in sufficient quantity to cause infection and the transmission of that active virus into the respiratory tract of the person being infected. In public buildings, it’s often difficult to control for the presence of the virus, but good design practices can work together to reduce the overall risk or infection. Updated: September 2020.
The Professional Engineering Exam (the PE) is one of the most defining (and stressful) times in any engineer’s career. A professional engineer is licensed to practice engineering and has the authority to sign and seal engineering plans.  To become a PE, you generally must meet ...
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Rapid policy evolution, overlapping rulemakings, and ongoing proposals have created confusion across the refrigeration industry. As we start 2026, Henderson is here to help you distinguish what is officially in effect from what remains proposed, so you can make informed, resilient decisions.  ...
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