Examlex
Viruses, worms, and Trojan horses are types of firewalls.
Concrete
A composite building material composed of fine and coarse aggregates bonded together with a fluid cement that hardens over time, used extensively in construction.
Heat Produced
The amount of energy released or absorbed as heat during a chemical or physical transformation.
Aluminum
A silvery-white, soft, nonmagnetic, ductile metal in the boron group, noted for its lightweight and resistance to corrosion.
Silica Glass
A type of glass made primarily of silicon dioxide (SiO2), known for its transparency and chemical stability.
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