#21. The fire engine which the world extols

     A firefighter’s quick work in which the world is surprised!
The lover’s couples are approach cautions to this fire engine!

We have developed a foam fire engines, and reduced to 1/3 of the conventional digestion time, moreover 1/16 only, i.e. the amount of water used is about 6% of the prior work.
The vehicles which made the fire engine and the ambulance unite, and the fire engine for forest fires are also developed for the first time in the world.