Yes, it uses many different "simple machines", including wheels and at least one lever on a fulcrum.
A shovel is a lever. it has a handle, and one hand sets a fulcrum with the load set opposite the hand that is not the fulcrum. It might be argued that the leading edge of the shovel is a wedge making your shovel a compound machine, but that's cutting things fine.
its a compound machine
There are more than 5 things that is a compound machine. Things like bulldozer, lawn mower, type writer, hand drill and pencil sharpener are compound machines.
i think it is not a compound machine
because im not sure and how to make it or fix it and what are the parts
Here is a compound machine.
Yes, it is a compound machine.
Simple machine
The skateboard have wheel & axle and screw, the wheel is obvious the wheel and the axle is the truck and i think the screw is the hardware.
Yes. An x-ray is a compound machine.
pulley
A tree is not a truck A tree is not a compound A tree is not an element.