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Gallium
- Gallium is a soft, silvery metal that is in a liquid state near room temperature.
- It has a low melting point which helps in the production of semiconductors and electronic components.
- Gallium is used to make gallium arsenide which forms the core substrate for semiconductors.
- It is used in the manufacture of integrated circuits, light-emitting diodes (LEDs), and solar cells.
- It also used in automotives and lighting, and for sensors in avionic, space and defence systems.
- There are some Gallium-based compounds which also have medical applications, including the treatment of certain types of cancers.
Germanium
- Germanium is a soft, silvery semi-metal found as a by-product of processing bauxite and zinc ores.
- The semi-metal is a good element for use as semiconductors.
- It is used in a variety of applications, including fibre-optics, infrared optics (night vision goggles), and solar cell technologies, and infrared sensors.
- Germanium has also been found to have some medicinal uses and is sometimes used as a dietary supplement.
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