1. Nowadays, more electric vehicles have replaced bicycles. Therefore, if you design a parking lot and install a plug in each seat, it is used to charge electric vehicles. Although it is simple, it is very practical. Solve the problem
2. When I was holding an umbrella to block the sun in the summer, I thought of sewing short sand-shaped curtains on the 3 sides of the umbrella, usually 8 sides, to block more Ultraviolet rays hit your face
3. Nowadays, there are many precious dogs. You can design a pet tracker and put a collar on the pet. Its direction will be displayed on the PDA in your hand.
How is it? Did it give you any inspiration?