July 03, 2025

Tornado drill north of the border

Sure! Here's the rewritten content: --- Hi everyone, This is Asher Heimermann here. Just wanted to share some details about an important event I recently attended. On Saturday, April 18, 2015, there was an emergency preparedness exercise called "Operation Triple Tornado." It was organized by the Wisconsin National Guard’s 157th Brigade in collaboration with Ozaukee County Emergency Management. This drill was designed to simulate disaster response scenarios, helping everyone involved better prepare for real-life emergencies. If you’re interested in checking out some photos from the event, you can find them here: [http://www.publicsafety.photos/Training/2015/4-18-2015](http://www.publicsafety.photos/Training/2015/4-18-2015). These images really capture the intensity and focus of the participants as they worked through various challenges. I took a few shots myself during the event, and I’ve included some of my favorites below. Hopefully, these give you a sense of what it was like to be part of such a crucial training session. ![Fire Department Mobile Command Post](#) *Asher Heimermann photo* ![National Guard Training for Disasters](#) *Asher Heimermann photo* ![Fire Department Rural Water Supply with Portable Tank](#) *Asher Heimermann photo* ![National Guard Training for Disasters](#) *Asher Heimermann photo* It was inspiring to see how seriously everyone took their roles, especially given the potential real-world implications. Events like this remind us how critical teamwork and preparation are when it comes to handling crises effectively. Stay safe, and let’s hope we never have to put these skills to use in a genuine disaster scenario! Best, Asher Heimermann --- Let me know if you'd like any further tweaks!

Air Preheaters (APH)

An air preheater (APH) is a device used to heat air, commonly used in industrial boilers, thermal power plants, and other thermal energy facilities. APH improves the thermal efficiency of the boiler by transferring heat from the flue gas to the air entering the boiler through heat exchange with it.


APH usually consists of a Heat Exchanger with a number of parallel pipes inside the exchanger through which smoke and air flow to allow heat exchange. In APH, the smoke flows on the outside of the heat exchanger and the air flows on the inside so that the heat between the smoke and the air can be transferred through the pipe walls.


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