ΥΔΡΑΥΛΙΚΟΙ

https://erickihpr264.wordpress.com/2019/06/24/what-the-heck-is-%cf%85%ce%b4%cf%81%ce%b1%cf%85%ce%bb%ce%b9%ce%ba%ce%bf%cf%83-%ce%b1%ce%b8%ce%b7%ce%bd%ce%b1/

Pipes is typically taken for given until it quits working. As long as it is working successfully and effectively we do not understand the crucial role it plays in our everyday lives.