A ramp.
inclined plane and screw
A pencil sharpener is a compound machine made up of simple machines, like the screw and lever.
A bottle cap is a type of screw, which is a simple machine used to fasten objects together by rotating them into place.
The bottom of a light bulb typically contains a screw thread, which is a type of simple machine known as an inclined plane. The screw thread allows the light bulb to be easily screwed into its socket for installation.
A bathtub typically has a type of simple machine called a screw on its drain plug. This screw mechanism allows the plug to be raised or lowered, controlling the flow of water in and out of the tub.
screw
screw
screw
inclined plane and screw
it is a valve, which is not a simple machine.
Screw
A bolt is a screw I think.
inclined plane
A screw
A pencil sharpener is a compound machine made up of simple machines, like the screw and lever.
A screw is an inclined plane wrapped around a wheel.
A screw is an example of the simple machine known as a wedge.