Humans are just social creatures. We live in groups in society. There may be a small number of people living in each house in the village.
But there are hundreds or even thousands of people living in every building in the city. Most people work together, especially in industries. There are many cases of fires in the industry or in the house due to short circuit or any other reason. The way is this object.
It is a fire extinguisher which is very important for every building.