Updated icon and images
Calculate the provision of fire extinguishers and the fire load in a few steps, very easy!
Drive firefighter rescue truck in city to overcome blazing inferno - a hell fire
Be fireman & transport people to safety in ultimate fire fighter truck simulator
Calculate whether the intruder alarm battery is sufficient or needs replacement
Choose which colour bands your resistor has, and the app will output the values.
Fire alarm battery size calculator compliant with British standards - BS5839