What I am?
1. You can usually find me during flag ceremonies. I help the flag reach the top of the pole.
2. I help Mr. Porter put the box to the truck.
3. Hey-o-hey-o, said the dwarf as he lift me to whack the rock into two.
4. I am Mr.See-saw.
5. The cyclist is looking for me, his bike won't move without me.
6. "I need you", said Mr. Hinge," the door and I can't connect".
wedge
screw
inclined plane
lever
pulley
wheel and axle​