Government strategic infrastructure includes communication, energy, and water systems, so radio stations, power plants, and water canals are all covered.

Zero Covid was China’s strict containment approach using lockdowns, mass testing, and travel restrictions to try to eliminate virus transmission.

Skin is the largest organ of the human body by surface area and overall mass.

A tritium nucleus consists of one proton and two neutrons, giving it a mass number of three.

Tritium is hydrogen-3, which has one proton and two neutrons giving it a mass number of three.

Newton's second law links force, mass, and acceleration (F = ma), which is why it is also called the law of acceleration.

Honesty and high moral integrity.

Open communication and constructive operational feedback.

Direct VoIP voice and video calls over WhatsApp are restricted in KSA under local telecommunication regulations, though text messaging functions normally.

Sign language is a visual-gestural language that serves as the primary mode of communication for many individuals who are deaf or hard of hearing. By utilizing hand shapes, facial expressions, and body movements, it provides a complete linguistic system that bypasses the need for auditory input, making it an essential educational tool for the hearing impaired.