the name for these is standoffs or spacer.
splitters
A round plastic or metal peg that is used to separate the motherboard from the case, so that components on the back of the motherboard do not touch the case.
Standoffs, Also called spacers, are round plastic or metal pegs that separate the motherboard from the case, so that components on the back of the motherboard do not touch the case.
A flat round portable metal disc with a plastic coating is likely a portable hard drive. This device is used to store and transfer digital information such as documents, photos, and videos. The plastic coating serves as protection for the metal disc inside.
There are several possible items that could fit the characterization as a round open metal or plastic container with a handle for carrying liquids. A bucket and water pitcher are two.
The plastic clips that hold the two round metal parts of a duracraft table fan together. Can I buy these plastic clips online?
The CD and the DVD.
When you charge the end of a plastic comb and then transfer that charge to a round metal ball, the charge on the ball quickly spreads out to the entire surface due to the conductive nature of the metal ball. The charge on the comb is transferred to the entire surface of the ball, resulting in a more evenly distributed charge across the metal ball.
Optical disc
a motherboard mouse
Plastic pails vary in size and can contain anything from 250 ml to 60 litres. These come usually as round or square shapes with a metal or plastic carry handle.
Someone can determine which round plastic containers are recyclable by looking for a recyclable symbol on the plastic container. If there is a symbol then the plastic container is recyclable.