Roller chain

Okay kiddo, so you know when you see a bicycle chain that helps you ride your bike? Well, roller chain is kind of like that, but it's bigger and stronger.

If you look closely at a roller chain, you'll notice that it has these little metal tubes called rollers that connect each link together. The rollers help the chain move smoothly and easily without getting stuck.

Roller chains are used in all sorts of machines and equipment, like cars, motorcycles, and even factory machines. They help transfer power from one part of the machine to another, so everything can work together properly.

It's important to take care of roller chains by oiling them regularly, because if they get rusty or worn down, they won't work as well and might even break.

So there you have it, roller chains are like stronger and bigger bicycle chains that help machines and equipment work together smoothly!