What type of items are prohibited in carry-on baggage?

The prohibition of sharp objects, flammable materials, and liquids exceeding 3.4 ounces in carry-on baggage is based on safety protocols aimed at protecting passengers and crew during flights. Sharp objects, such as knives or scissors, can be used to inflict harm, and their presence in the cabin poses a significant risk. Similarly, flammable materials can be hazardous in a confined space like an aircraft, as they could potentially ignite and lead to dangerous situations. The 3.4 ounces limit on liquids is designed to mitigate the risk of larger quantities of potentially harmful substances being brought onboard, ensuring that anything that could be used to cause a security threat is minimized. This regulation has been established to enhance overall aviation security and ensure a safe flying environment for everyone on board.