By the way, in industry, such pumps are used to pump explosives.
29-08-2018, 12:45
There are other types of pumps, but they are less common, and are used mainly for industrial, and not for household needs and have large size and greater power. By the way, in industry, such pumps are used to pump explosives. And if one of the pumps fails, then it should be immediately restored, or replaced with a new.
