Combination categories for multiple injuries are provided for use when there is insufficient detail as to the nature of the individual conditions, or for primary tabulation purposes when it is more convenient to record a single code; otherwise, the component injuries should be coded separately.
Oscillating is the process of swinging or moving to and fro in a steady, uninterrupted manner, and oscillating motion is the movement created by the process. An oscillating motion typically refers to a single step of the process in one direction then again as it swings to and from the opposite direction.
In modern quartz clocks, the quartz crystal resonator or oscillator is in the shape of a small tuning fork, laser-trimmed or precision lapped to vibrate at 32,768 Hz. This frequency is equal to 215 cycles per second.