Tom fixes a window that was not hung properly and is now letting air in; Mark demonstrates how to clean brick with acid; Ross finds a solar panel that can generate drinking water from thin air.
Broadcast In: English Duration: 0:24:21Tom fixes a window that was not hung properly and is now letting air in; Mark demonstrates how to clean brick with acid; Ross finds a solar panel that can generate drinking water from thin air.
Broadcast In: English Duration: 0:24:21