A stapler. It has a wedge and a lever.
compound machine
Compound machines are things that are made up of 1 or more simple machines. A screw isn't made up of any simple machines unless you count the screw as a simple machine.
A compound machine.
compound machine
A complex machine.
compound machine
A compound machine.
compound machine
it is made up of two or more simple machines
"compound machine" or "compound"
Yes
A complex machine is a machine that is made up of two or more simple machines. Examples: Pencil sharpener, Washing machine, Wheelbarrow