(ECNS)--A car drives on a board spiked with dozens of steel nails but the tires do not leak air. The interior of the tires is made of nano-material. The tires quickly recover from the punctures.
RIGHT BG
(ECNS)--A car drives on a board spiked with dozens of steel nails but the tires do not leak air. The interior of the tires is made of nano-material. The tires quickly recover from the punctures.
