Examlex
Use the Rydberg equation to calculate the wavelength, in nm, of the least energetic (longest wavelength) line in the visible series (n1 = 2) of the spectrum of atomic hydrogen.
Electrical
Pertaining to the technology of electricity, including its generation, transmission, distribution, and devices or systems that use electrical power.
Drum In Hat
A miniature drum brake assembly housed within the hat of a rear disc brake rotor to serve as the parking brake.
Wear Indicating Device
A feature built into a brake pad or tire that provides a visual or audible warning when the component has worn down to its replacement limit.
Retraction Mechanism
A system designed to withdraw or pull back a part or component, commonly found in devices like seat belts or retractable pens.
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