Iver Tusines
@ivertusines
I am writing a thesis on "Kilogram and Liter in Practice".
3 posts

Water pipe

The water pipe is used in the building's water supply system.

Ball valve in the water supply system

Ball valves are used to shut off the flow of water in the system.

Practical liter or kilogram

In order to determine in practice these two concepts, you need to decide on physics.