xiros® plastic ball bearings
In many cities and towns, it is completely normal for houses and flats to be connected to the public sewage system. Wastewater is sent to a central sewage plant, where it is cleaned. But this solution is not universal. Very small settlements and outlying houses are usually dependent on their own solutions. They have no […]
The most environmentally friendly way to dive is to use flippers. But if you find that too taxing and prefer a certain level of convenience, you can use a pedal-powered submersible. The French adventurer Stephane Rousson, who once crossed the English Channel with a pedal-powered airship, has developed one. “Scubs_x0002_ter“ is the name he gave […]