Examlex
Two technicians are speaking about helicoils. Technician A says helicoils can be threaded into a properly prepared hole to repair damaged threads. Technician B says helicoils can be used to make external threads on a shaft or rod. Who is correct?
Wavelengths
The distance between two successive peaks or troughs in a wave, typically used in the context of electromagnetic waves such as light.
Light
Electromagnetic radiation that is visible to the human eye and is responsible for the sense of sight.
Retina
The light-sensitive layer at the back of the eye that captures images and sends them to the brain via the optic nerve.
Consciously Aware
Being fully aware of one's thoughts, feelings, and surroundings in the present moment.
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