the name for these is standoffs or spacer.
They're called.... spacers.
splitters
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.
optical dish
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.
A metal wire is a conductor. It is the plastic layer round the wire that is an insulator.
The plastic clips that hold the two round metal parts of a duracraft table fan together. Can I buy these plastic clips online?
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.
The CD and the DVD.
Optical disc
a motherboard mouse
sheet metal, steel coil, slit steel coil, steel round bars, steel flat bars, steel channels, plastic resins, plastic sheet, wood, fiberglass, graphite