Science

What the heck is this? (4)

Here is the next item. There is a threaded plug on the top. I took it off so you could see inside. The whole thing is pretty heavy. Good luck, and let’s be careful out there.

Here is the next item.

There is a threaded plug on the top. I took it off so you could see inside. The whole thing is pretty heavy.

Good luck, and let's be careful out there.