While the population of the world has grown since Roman times, the supply of fresh drinkable water has remained the same:
||Amount of water that is drinkable
||210m (3% of today’s population)
Therefore, there is a need for better and more efficient plumbing.
Why? Because bad plumbing = water borne diseases = 1.5 million deaths a year.
The impact of bad plumbing - for you:
Days off work to have plumbing leaks repaired, or
Days off work due to sickness caused by bad plumbing
The feeling of being sick
The cost of medical treatment
The cost of medicines (could be 10% of household incomes)
Lost earnings through not being able to work