Despite using the usualy remedies, checking the volume on the app, checking the volume on the iPhone seetings, I found that when I called-up Siri and increased the volume while Siri was activated, the volume on the Waze app increased as well. I hope this helps other frustrated users, sa...
UHP systems work in a completely different way. For UHP systems, the fluid droplets are smaller and so a greater volume are vaporized and this removes energy from the fire, thus cooling it as UHP advocates have correctly identified. There is some mention that the droplets also displace oxygen...