its a scientific object used to tune things
Pi ( π )
5000/5 = 1,000 per second = 1 KHz
There are several Doctors tools viz: Stethescope, Otoscope, Opthalmoscope, hammer, laryngoscope, proctoscope, sigmoidoscope, tunning fork, needle, syringe.........
The vibration may very well break your teeth.
Because you grind your teeth.
The Tunning of Elynour Rummyng was created in 1550.
4
It is 4!
a fork
A fork or spoon.
No, but they can break your teeth.