What simple machine make up a pair of hedge trimmers

I think the two simple machines that make up a pair of hedge trimmers would be a lever and a spring.

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?