small engine parts and operation answers
1B rotary-valve enigine
2C form a seal between the piston and the cylinder
6A when the valves open and close
8B crankcase to the top of the combustion chamber
10D connecting rod cap
11D rocker arms
12A an oil control ring
13A the pulley assembly
14C a battery ignition system
15D a connecting rod
16B Transformers secondary winding
17A recoil spring
18A engine speed
The spinning plate engine is known as a rotary valve engine. Rotary valves are also used in brass musical instruments.
take your foot off the gas, tires are spinning. its called traction control
A Jewish spinning top is called a "dredel".
The spinning of Earth around its axis is called rotation
A spinning bike, a stationary bike or an exercise bike.
Benign positional paroxysmal vertigo
I believe that used to be called the brake pressure switch and is now called the speed control deactivation switch ( even if you don't have cruise / speed control )
A planet spinning on it's axis is called rotation