Check the speed sensor
run a new line to the distributor.
kangaroos
The rabbit jumps over the log in the forest.
The motion of the needle in a sewing machine is vertically, rapidly up and down.
it jumps up an down
how high you can jump straight up and down.
Your head jumps up and down.
it jumps up and down
anything that can jump but ON A PLANET WITHOUT GRAVITY!!!!!! Also in space where up could be down and down could be up. If a person jumps into a volcano the person will vaporize and the air particles will float upwards and possibly float into outer space where there is no up and there is no down.
When a player jumps up and spikes a ball down on the other side of the court
Always bevel up.