There will be solar panels installed on top of the box and a go-kart with electric appliances inside. Just like BridgeSmith said, tungsten and steel plates would be an expensive choice. If stone plates take up a lot of space, then I will just increase the box dimensions.
Hello. We have a plywood box with dimensions: 3.13 x 2 x 1.84m. We are not allowed to drill holes in asphalt, but we have to ensure that the box wouldn't get stolen at night or if unattended. What tools or equipment could be used to make the box unmovable and heavy enough. I am thinking about...
